122564530 has 24 divisors (see below), whose sum is σ = 242497836. Its totient is φ = 44568480.

The previous prime is 122564521. The next prime is 122564551. The reversal of 122564530 is 35465221.

It can be written as a sum of positive squares in 2 ways, for example, as 113145769 + 9418761 = 10637^2 + 3069^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49437 + ... + 51856.

Almost surely, 2^122564530 is an apocalyptic number.

122564530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122564530 is a deficient number, since it is larger than the sum of its proper divisors (119933306).

122564530 is a wasteful number, since it uses less digits than its factorization.

122564530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101322 (or 101311 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 122564530 is about 11070.8865950293. The cubic root of 122564530 is about 496.7313855476.

The spelling of 122564530 in words is "one hundred twenty-two million, five hundred sixty-four thousand, five hundred thirty".