122564535630 has 32 divisors (see below), whose sum is σ = 294895858464. Its totient is φ = 32601545856.

The previous prime is 122564535559. The next prime is 122564535647. The reversal of 122564535630 is 36535465221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5133537 + ... + 5157356.

It is an arithmetic number, because the mean of its divisors is an integer number (9215495577).

Almost surely, 2^122564535630 is an apocalyptic number.

122564535630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122564535630 is an abundant number, since it is smaller than the sum of its proper divisors (172331322834).

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

122564535630 is a wasteful number, since it uses less digits than its factorization.

122564535630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10291300.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 122564535630 in words is "one hundred twenty-two billion, five hundred sixty-four million, five hundred thirty-five thousand, six hundred thirty".