122904868 has 12 divisors (see below), whose sum is σ = 215162892. Its totient is φ = 61429760.

The previous prime is 122904829. The next prime is 122904869. The reversal of 122904868 is 868409221.

It can be written as a sum of positive squares in 2 ways, for example, as 37675044 + 85229824 = 6138^2 + 9232^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122904868.

It is not an unprimeable number, because it can be changed into a prime (122904869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14496 + ... + 21352.

It is an arithmetic number, because the mean of its divisors is an integer number (17930241).

Almost surely, 2^122904868 is an apocalyptic number.

It is an amenable number.

122904868 is a deficient number, since it is larger than the sum of its proper divisors (92258024).

122904868 is a wasteful number, since it uses less digits than its factorization.

122904868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11342 (or 11340 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 122904868 is about 11086.2467950159. The cubic root of 122904868 is about 497.1907363024.

The spelling of 122904868 in words is "one hundred twenty-two million, nine hundred four thousand, eight hundred sixty-eight".