122915902942 has 16 divisors (see below), whose sum is σ = 210723996672. Its totient is φ = 52675489080.

The previous prime is 122915902913. The next prime is 122915902997. The reversal of 122915902942 is 249209519221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122915902892 and 122915902901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60283 + ... + 499465.

It is an arithmetic number, because the mean of its divisors is an integer number (13170249792).

Almost surely, 2^122915902942 is an apocalyptic number.

122915902942 is a deficient number, since it is larger than the sum of its proper divisors (87808093730).

122915902942 is a wasteful number, since it uses less digits than its factorization.

122915902942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459183.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 122915902942 in words is "one hundred twenty-two billion, nine hundred fifteen million, nine hundred two thousand, nine hundred forty-two".