122915809274 has 16 divisors (see below), whose sum is σ = 195225731496. Its totient is φ = 57840806400.

The previous prime is 122915809273. The next prime is 122915809319. The reversal of 122915809274 is 472908519221.

It can be written as a sum of positive squares in 4 ways, for example, as 116115333049 + 6800476225 = 340757^2 + 82465^2 .

It is not an unprimeable number, because it can be changed into a prime (122915809273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1895264 + ... + 1959044.

Almost surely, 2^122915809274 is an apocalyptic number.

122915809274 is a deficient number, since it is larger than the sum of its proper divisors (72309922222).

122915809274 is a wasteful number, since it uses less digits than its factorization.

122915809274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120481.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 122915809274 in words is "one hundred twenty-two billion, nine hundred fifteen million, eight hundred nine thousand, two hundred seventy-four".