121876156 has 12 divisors (see below), whose sum is σ = 213405192. Its totient is φ = 60903248.

The previous prime is 121876151. The next prime is 121876193. The reversal of 121876156 is 651678121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121876151) 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, 171 + ... + 15613.

It is an arithmetic number, because the mean of its divisors is an integer number (17783766).

Almost surely, 2^121876156 is an apocalyptic number.

It is an amenable number.

121876156 is a deficient number, since it is larger than the sum of its proper divisors (91529036).

121876156 is a wasteful number, since it uses less digits than its factorization.

121876156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17420 (or 17418 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The square root of 121876156 is about 11039.7534392757. The cubic root of 121876156 is about 495.7996882348.

The spelling of 121876156 in words is "one hundred twenty-one million, eight hundred seventy-six thousand, one hundred fifty-six".