121463656 has 16 divisors (see below), whose sum is σ = 239731200. Its totient is φ = 57535344.

The previous prime is 121463653. The next prime is 121463663. The reversal of 121463656 is 656364121.

It is not an unprimeable number, because it can be changed into a prime (121463653) 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, 399400 + ... + 399703.

It is an arithmetic number, because the mean of its divisors is an integer number (14983200).

Almost surely, 2^121463656 is an apocalyptic number.

It is an amenable number.

121463656 is a deficient number, since it is larger than the sum of its proper divisors (118267544).

121463656 is a wasteful number, since it uses less digits than its factorization.

121463656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799128 (or 799124 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 121463656 is about 11021.0551219019. The cubic root of 121463656 is about 495.2396975352.

The spelling of 121463656 in words is "one hundred twenty-one million, four hundred sixty-three thousand, six hundred fifty-six".