121063856 has 20 divisors (see below), whose sum is σ = 234825000. Its totient is φ = 60463872.

The previous prime is 121063829. The next prime is 121063861. The reversal of 121063856 is 658360121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12395 + ... + 19893.

It is an arithmetic number, because the mean of its divisors is an integer number (11741250).

Almost surely, 2^121063856 is an apocalyptic number.

121063856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121063856 is a deficient number, since it is larger than the sum of its proper divisors (113761144).

121063856 is a wasteful number, since it uses less digits than its factorization.

121063856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8516 (or 8510 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 121063856 is about 11002.9021626115. The cubic root of 121063856 is about 494.6957365608.

The spelling of 121063856 in words is "one hundred twenty-one million, sixty-three thousand, eight hundred fifty-six".