122917197 has 16 divisors (see below), whose sum is σ = 176698368. Its totient is φ = 75554880.

The previous prime is 122917187. The next prime is 122917211. The reversal of 122917197 is 791719221.

It is not a de Polignac number, because 122917197 - 2⁶ = 122917133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122917187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57172 + ... + 59282.

It is an arithmetic number, because the mean of its divisors is an integer number (11043648).

Almost surely, 2^122917197 is an apocalyptic number.

It is an amenable number.

122917197 is a deficient number, since it is larger than the sum of its proper divisors (53781171).

122917197 is a wasteful number, since it uses less digits than its factorization.

122917197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620.

The product of its digits is 15876, while the sum is 39.

The square root of 122917197 is about 11086.8028303925. The cubic root of 122917197 is about 497.2073607040.

The spelling of 122917197 in words is "one hundred twenty-two million, nine hundred seventeen thousand, one hundred ninety-seven".