122920708 has 12 divisors (see below), whose sum is σ = 216193600. Its totient is φ = 61151112.

The previous prime is 122920687. The next prime is 122920723. The reversal of 122920708 is 807029221.

It is a self number, because there is not a number n which added to its sum of digits gives 122920708.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76416 + ... + 78007.

Almost surely, 2^122920708 is an apocalyptic number.

It is an amenable number.

122920708 is a deficient number, since it is larger than the sum of its proper divisors (93272892).

122920708 is a wasteful number, since it uses less digits than its factorization.

122920708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154626 (or 154624 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 122920708 is about 11086.9611706725. The cubic root of 122920708 is about 497.2120947267.

Adding to 122920708 its reverse (807029221), we get a palindrome (929949929).

The spelling of 122920708 in words is "one hundred twenty-two million, nine hundred twenty thousand, seven hundred eight".