121756525474 has 16 divisors (see below), whose sum is σ = 188537207040. Its totient is φ = 58911018480.

The previous prime is 121756525441. The next prime is 121756525481. The reversal of 121756525474 is 474525657121.

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, 1259032 + ... + 1352284.

It is an arithmetic number, because the mean of its divisors is an integer number (11783575440).

Almost surely, 2^121756525474 is an apocalyptic number.

121756525474 is a deficient number, since it is larger than the sum of its proper divisors (66780681566).

121756525474 is a wasteful number, since it uses less digits than its factorization.

121756525474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114345.

The product of its digits is 2352000, while the sum is 49.

The spelling of 121756525474 in words is "one hundred twenty-one billion, seven hundred fifty-six million, five hundred twenty-five thousand, four hundred seventy-four".