122564466563 has 16 divisors (see below), whose sum is σ = 152832148224. Its totient is φ = 95489465760.

The previous prime is 122564466547. The next prime is 122564466613. The reversal of 122564466563 is 365664465221.

It is a cyclic number.

It is not a de Polignac number, because 122564466563 - 2⁴ = 122564466547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122564466263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368156 + ... + 616982.

It is an arithmetic number, because the mean of its divisors is an integer number (9552009264).

Almost surely, 2^122564466563 is an apocalyptic number.

122564466563 is a deficient number, since it is larger than the sum of its proper divisors (30267681661).

122564466563 is a wasteful number, since it uses less digits than its factorization.

122564466563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255242.

The product of its digits is 6220800, while the sum is 50.

The spelling of 122564466563 in words is "one hundred twenty-two billion, five hundred sixty-four million, four hundred sixty-six thousand, five hundred sixty-three".