121977036 has 48 divisors (see below), whose sum is σ = 332886400. Its totient is φ = 38518416.

The previous prime is 121977019. The next prime is 121977043. The reversal of 121977036 is 630779121.

It is a happy number.

It is a super-2 number, since 2×121977036² = 29756794622690592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 27670 + ... + 31773.

Almost surely, 2^121977036 is an apocalyptic number.

It is an amenable number.

121977036 is an abundant number, since it is smaller than the sum of its proper divisors (210909364).

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

121977036 is a wasteful number, since it uses less digits than its factorization.

121977036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59475 (or 59467 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 121977036 is about 11044.3214368290. The cubic root of 121977036 is about 495.9364458545.

The spelling of 121977036 in words is "one hundred twenty-one million, nine hundred seventy-seven thousand, thirty-six".