122739314882 has 6 divisors (see below), whose sum is σ = 184109715513. Its totient is φ = 61369409712.

The previous prime is 122739314861. The next prime is 122739314911. The reversal of 122739314882 is 288413937221.

It can be written as a sum of positive squares in 2 ways, for example, as 86319027601 + 36420287281 = 293801^2 + 190841^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=247729.

It is a super-5 number, since 5×122739314882⁵ (a number of 57 digits) contains 55555 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122739314882.

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 2 ways as a sum of consecutive naturals, for example, 371594 + ... + 619322.

Almost surely, 2^122739314882 is an apocalyptic number.

122739314882 is a deficient number, since it is larger than the sum of its proper divisors (61370400631).

122739314882 is an frugal number, since it uses more digits than its factorization.

122739314882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495460 (or 247731 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

Multiplying 122739314882 by its sum of digits (50), we get a square (6136965744100 = 2477290²).

The spelling of 122739314882 in words is "one hundred twenty-two billion, seven hundred thirty-nine million, three hundred fourteen thousand, eight hundred eighty-two".