121057008 has 20 divisors (see below), whose sum is σ = 312730728. Its totient is φ = 40352320.

The previous prime is 121056989. The next prime is 121057009. The reversal of 121057008 is 800750121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121057009) 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, 1260963 + ... + 1261058.

Almost surely, 2^121057008 is an apocalyptic number.

It is an amenable number.

121057008 is an abundant number, since it is smaller than the sum of its proper divisors (191673720).

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

121057008 is a wasteful number, since it uses less digits than its factorization.

121057008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522032 (or 2522026 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 121057008 is about 11002.5909675858. The cubic root of 121057008 is about 494.6864088655.

The spelling of 121057008 in words is "one hundred twenty-one million, fifty-seven thousand, eight".