122 (number)
Natural number
From Wikipedia, the free encyclopedia
122 (one hundred [and] twenty-two) is the natural number following 121 and preceding 123.
Cardinalone hundred twenty-two
Ordinal122nd
(one hundred twenty-second)
(one hundred twenty-second)
Factorization2 Ã 61
Divisors1, 2, 61, 122
| ||||
|---|---|---|---|---|
| Cardinal | one hundred twenty-two | |||
| Ordinal | 122nd (one hundred twenty-second) | |||
| Factorization | 2 Ã 61 | |||
| Divisors | 1, 2, 61, 122 | |||
| Greek numeral | ΡÎδ | |||
| Roman numeral | CXXII, cxxii | |||
| Binary | 11110102 | |||
| Ternary | 111123 | |||
| Senary | 3226 | |||
| Octal | 1728 | |||
| Duodecimal | A212 | |||
| Hexadecimal | 7A16 | |||
In mathematics
- 122 is a nontotient since there is no integer with exactly 122 coprimes below it. Nor is there an integer with exactly 122 integers with common factors below it, making 122 a noncototient as well.[1]
- Ï(122) = Ï(Ï(122)).[1][clarification needed]