122917925667 has 18 divisors (see below), whose sum is σ = 168019427044. Its totient is φ = 79930424960.

The previous prime is 122917925609. The next prime is 122917925677. The reversal of 122917925667 is 766529719221.

It is not a de Polignac number, because 122917925667 - 2¹² = 122917921571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122917925677) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 24894823 + ... + 24899759.

Almost surely, 2^122917925667 is an apocalyptic number.

122917925667 is a deficient number, since it is larger than the sum of its proper divisors (45101501377).

122917925667 is an frugal number, since it uses more digits than its factorization.

122917925667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9959 (or 4981 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 57.

The spelling of 122917925667 in words is "one hundred twenty-two billion, nine hundred seventeen million, nine hundred twenty-five thousand, six hundred sixty-seven".