121579290054 has 12 divisors (see below), whose sum is σ = 263421795156. Its totient is φ = 40526430012.

The previous prime is 121579290043. The next prime is 121579290089. The reversal of 121579290054 is 450092975121.

121579290054 is a `hidden beast` number, since 1 + 2 + 1 + 579 + 29 + 0 + 0 + 54 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 121579289991 and 121579290009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3377202484 + ... + 3377202519.

It is an arithmetic number, because the mean of its divisors is an integer number (21951816263).

Almost surely, 2^121579290054 is an apocalyptic number.

121579290054 is an abundant number, since it is smaller than the sum of its proper divisors (141842505102).

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

121579290054 is a wasteful number, since it uses less digits than its factorization.

121579290054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6754405011 (or 6754405008 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 121579290054 in words is "one hundred twenty-one billion, five hundred seventy-nine million, two hundred ninety thousand, fifty-four".