121296874506 has 16 divisors (see below), whose sum is σ = 242617939200. Its totient is φ = 40428259808.

The previous prime is 121296874483. The next prime is 121296874537. The reversal of 121296874506 is 605478692121.

It is a super-4 number, since 4×121296874506⁴ (a number of 45 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 942411 + ... + 1063358.

It is an arithmetic number, because the mean of its divisors is an integer number (15163621200).

Almost surely, 2^121296874506 is an apocalyptic number.

121296874506 is an abundant number, since it is smaller than the sum of its proper divisors (121321064694).

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

121296874506 is a wasteful number, since it uses less digits than its factorization.

121296874506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015853.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 121296874506 in words is "one hundred twenty-one billion, two hundred ninety-six million, eight hundred seventy-four thousand, five hundred six".