121057516 has 6 divisors (see below), whose sum is σ = 211850660. Its totient is φ = 60528756.

The previous prime is 121057501. The next prime is 121057529. The reversal of 121057516 is 615750121.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15132186 + ... + 15132193.

Almost surely, 2^121057516 is an apocalyptic number.

It is an amenable number.

121057516 is a deficient number, since it is larger than the sum of its proper divisors (90793144).

121057516 is a wasteful number, since it uses less digits than its factorization.

121057516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30264383 (or 30264381 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 121057516 is about 11002.6140530330. The cubic root of 121057516 is about 494.6871008270.

The spelling of 121057516 in words is "one hundred twenty-one million, fifty-seven thousand, five hundred sixteen".