122785432952 has 64 divisors (see below), whose sum is σ = 298264243200. Its totient is φ = 46017901440.

The previous prime is 122785432949. The next prime is 122785432961. The reversal of 122785432952 is 259234587221.

It is a self number, because there is not a number n which added to its sum of digits gives 122785432952.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4424624 + ... + 4452287.

It is an arithmetic number, because the mean of its divisors is an integer number (4660378800).

Almost surely, 2^122785432952 is an apocalyptic number.

It is an amenable number.

122785432952 is an abundant number, since it is smaller than the sum of its proper divisors (175478810248).

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

122785432952 is a wasteful number, since it uses less digits than its factorization.

122785432952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8876956 (or 8876952 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 50.

The spelling of 122785432952 in words is "one hundred twenty-two billion, seven hundred eighty-five million, four hundred thirty-two thousand, nine hundred fifty-two".