121974808 has 16 divisors (see below), whose sum is σ = 231459480. Its totient is φ = 60252288.

The previous prime is 121974803. The next prime is 121974817. The reversal of 121974808 is 808479121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121974803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91185 + ... + 92512.

Almost surely, 2^121974808 is an apocalyptic number.

It is an amenable number.

121974808 is a deficient number, since it is larger than the sum of its proper divisors (109484672).

121974808 is a wasteful number, since it uses less digits than its factorization.

121974808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183786 (or 183782 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 121974808 is about 11044.2205700538. The cubic root of 121974808 is about 495.9334262885.

The spelling of 121974808 in words is "one hundred twenty-one million, nine hundred seventy-four thousand, eight hundred eight".