122915166 has 64 divisors (see below), whose sum is σ = 279936000. Its totient is φ = 35638400.

The previous prime is 122915099. The next prime is 122915209. The reversal of 122915166 is 661519221.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284971 + ... + 285401.

It is an arithmetic number, because the mean of its divisors is an integer number (4374000).

Almost surely, 2^122915166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122915166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139968000).

122915166 is an abundant number, since it is smaller than the sum of its proper divisors (157020834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122915166 is a wasteful number, since it uses less digits than its factorization.

122915166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625.

The product of its digits is 6480, while the sum is 33.

The square root of 122915166 is about 11086.7112346268. The cubic root of 122915166 is about 497.2046221837.

The spelling of 122915166 in words is "one hundred twenty-two million, nine hundred fifteen thousand, one hundred sixty-six".