121928274 has 32 divisors (see below), whose sum is σ = 291795840. Its totient is φ = 37516176.

The previous prime is 121928269. The next prime is 121928333. The reversal of 121928274 is 472829121.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86142 + ... + 87545.

It is an arithmetic number, because the mean of its divisors is an integer number (9118620).

Almost surely, 2^121928274 is an apocalyptic number.

121928274 is an abundant number, since it is smaller than the sum of its proper divisors (169867566).

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

121928274 is a wasteful number, since it uses less digits than its factorization.

121928274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173711 (or 173705 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 121928274 is about 11042.1136563613. The cubic root of 121928274 is about 495.8703512382.

The spelling of 121928274 in words is "one hundred twenty-one million, nine hundred twenty-eight thousand, two hundred seventy-four".