121064556 has 24 divisors (see below), whose sum is σ = 285078640. Its totient is φ = 39984192.

The previous prime is 121064549. The next prime is 121064557. The reversal of 121064556 is 655460121.

It is not an unprimeable number, because it can be changed into a prime (121064557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44971 + ... + 47586.

Almost surely, 2^121064556 is an apocalyptic number.

It is an amenable number.

121064556 is an abundant number, since it is smaller than the sum of its proper divisors (164014084).

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

121064556 is a wasteful number, since it uses less digits than its factorization.

121064556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92673 (or 92671 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 121064556 is about 11002.9339723548. The cubic root of 121064556 is about 494.6966900145.

The spelling of 121064556 in words is "one hundred twenty-one million, sixty-four thousand, five hundred fifty-six".