122311916 has 12 divisors (see below), whose sum is σ = 218084832. Its totient is φ = 60001968.

The previous prime is 122311853. The next prime is 122311919. The reversal of 122311916 is 619113221.

It is not an unprimeable number, because it can be changed into a prime (122311919) 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, 288260 + ... + 288683.

It is an arithmetic number, because the mean of its divisors is an integer number (18173736).

Almost surely, 2^122311916 is an apocalyptic number.

It is an amenable number.

122311916 is a deficient number, since it is larger than the sum of its proper divisors (95772916).

122311916 is a wasteful number, since it uses less digits than its factorization.

122311916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577000 (or 576998 counting only the distinct ones).

The product of its digits is 648, while the sum is 26.

The square root of 122311916 is about 11059.4717776212. The cubic root of 122311916 is about 496.3898848714.

The spelling of 122311916 in words is "one hundred twenty-two million, three hundred eleven thousand, nine hundred sixteen".