122605615564 has 24 divisors (see below), whose sum is σ = 218925862848. Its totient is φ = 60063191040.

The previous prime is 122605615541. The next prime is 122605615609. The reversal of 122605615564 is 465516506221.

It is a self number, because there is not a number n which added to its sum of digits gives 122605615564.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914884 + ... + 1040299.

It is an arithmetic number, because the mean of its divisors is an integer number (9121910952).

Almost surely, 2^122605615564 is an apocalyptic number.

It is an amenable number.

122605615564 is a deficient number, since it is larger than the sum of its proper divisors (96320247284).

122605615564 is a wasteful number, since it uses less digits than its factorization.

122605615564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955505 (or 1955503 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 122605615564 in words is "one hundred twenty-two billion, six hundred five million, six hundred fifteen thousand, five hundred sixty-four".