122438879508 has 48 divisors (see below), whose sum is σ = 311968198080. Its totient is φ = 37066310400.

The previous prime is 122438879503. The next prime is 122438879579. The reversal of 122438879508 is 805978834221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122438879501) 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, 319473 + ... + 589016.

It is an arithmetic number, because the mean of its divisors is an integer number (6499337460).

Almost surely, 2^122438879508 is an apocalyptic number.

It is an amenable number.

122438879508 is an abundant number, since it is smaller than the sum of its proper divisors (189529318572).

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

122438879508 is a wasteful number, since it uses less digits than its factorization.

122438879508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909528 (or 909526 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 122438879508 in words is "one hundred twenty-two billion, four hundred thirty-eight million, eight hundred seventy-nine thousand, five hundred eight".