122904375732 has 84 divisors (see below), whose sum is σ = 322601660640. Its totient is φ = 40952222352.

The previous prime is 122904375721. The next prime is 122904375733. The reversal of 122904375732 is 237573409221.

122904375732 is a `hidden beast` number, since 12 + 29 + 0 + 43 + 7 + 573 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122904375733) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 9333369 + ... + 9346527.

It is an arithmetic number, because the mean of its divisors is an integer number (3840495960).

Almost surely, 2^122904375732 is an apocalyptic number.

122904375732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122904375732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161300830320).

122904375732 is an abundant number, since it is smaller than the sum of its proper divisors (199697284908).

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

122904375732 is a wasteful number, since it uses less digits than its factorization.

122904375732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16384 (or 16367 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 122904375732 in words is "one hundred twenty-two billion, nine hundred four million, three hundred seventy-five thousand, seven hundred thirty-two".