122 (number)

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.

122 is a semiprime.

φ(122) = φ(σ(122)).{{cite OEIS|A006872|Numbers k such that phi(k) = phi(sigma(k))}}

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Category:Integers

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