122899916 has 6 divisors (see below), whose sum is σ = 215074860. Its totient is φ = 61449956.

The previous prime is 122899901. The next prime is 122899921. The reversal of 122899916 is 619998221.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15362486 + ... + 15362493.

It is an arithmetic number, because the mean of its divisors is an integer number (35845810).

Almost surely, 2^122899916 is an apocalyptic number.

It is an amenable number.

122899916 is a deficient number, since it is larger than the sum of its proper divisors (92174944).

122899916 is a wasteful number, since it uses less digits than its factorization.

122899916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30724983 (or 30724981 counting only the distinct ones).

The product of its digits is 139968, while the sum is 47.

The square root of 122899916 is about 11086.0234529790. The cubic root of 122899916 is about 497.1840587215.

The spelling of 122899916 in words is "one hundred twenty-two million, eight hundred ninety-nine thousand, nine hundred sixteen".