122909017 has 36 divisors (see below), whose sum is σ = 160595904. Its totient is φ = 92070000.

The previous prime is 122909011. The next prime is 122909029. The reversal of 122909017 is 710909221.

It is not a de Polignac number, because 122909017 - 2⁷ = 122908889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 122909017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122909011) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 813892 + ... + 814042.

Almost surely, 2^122909017 is an apocalyptic number.

It is an amenable number.

122909017 is a deficient number, since it is larger than the sum of its proper divisors (37686887).

122909017 is a wasteful number, since it uses less digits than its factorization.

122909017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 122909017 is about 11086.4339171800. The cubic root of 122909017 is about 497.1963309307.

The spelling of 122909017 in words is "one hundred twenty-two million, nine hundred nine thousand, seventeen".