122864964 has 12 divisors (see below), whose sum is σ = 286684944. Its totient is φ = 40954984.

The previous prime is 122864947. The next prime is 122864969. The reversal of 122864964 is 469468221.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (122864969) 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, 5119362 + ... + 5119385.

It is an arithmetic number, because the mean of its divisors is an integer number (23890412).

Almost surely, 2^122864964 is an apocalyptic number.

It is an amenable number.

122864964 is an abundant number, since it is smaller than the sum of its proper divisors (163819980).

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

122864964 is a wasteful number, since it uses less digits than its factorization.

122864964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10238754 (or 10238752 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 122864964 is about 11084.4469415483. The cubic root of 122864964 is about 497.1369221967.

The spelling of 122864964 in words is "one hundred twenty-two million, eight hundred sixty-four thousand, nine hundred sixty-four".