121872774 has 16 divisors (see below), whose sum is σ = 244972800. Its totient is φ = 40419720.

The previous prime is 121872769. The next prime is 121872781. The reversal of 121872774 is 477278121.

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, 49842 + ... + 52229.

It is an arithmetic number, because the mean of its divisors is an integer number (15310800).

Almost surely, 2^121872774 is an apocalyptic number.

121872774 is an abundant number, since it is smaller than the sum of its proper divisors (123100026).

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

121872774 is a wasteful number, since it uses less digits than its factorization.

121872774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102275.

The product of its digits is 43904, while the sum is 39.

The square root of 121872774 is about 11039.6002645023. The cubic root of 121872774 is about 495.7951021312.

The spelling of 121872774 in words is "one hundred twenty-one million, eight hundred seventy-two thousand, seven hundred seventy-four".