120764421 has 12 divisors (see below), whose sum is σ = 182022048. Its totient is φ = 77009064.

The previous prime is 120764417. The next prime is 120764429. The reversal of 120764421 is 124467021.

120764421 is a `hidden beast` number, since 12 + 0 + 7 + 644 + 2 + 1 = 666.

It is not a de Polignac number, because 120764421 - 2² = 120764417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120764429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291495 + ... + 291908.

It is an arithmetic number, because the mean of its divisors is an integer number (15168504).

Almost surely, 2^120764421 is an apocalyptic number.

It is an amenable number.

120764421 is a deficient number, since it is larger than the sum of its proper divisors (61257627).

120764421 is a wasteful number, since it uses less digits than its factorization.

120764421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583432 (or 583429 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 120764421 is about 10989.2866465481. The cubic root of 120764421 is about 494.2875456091.

The spelling of 120764421 in words is "one hundred twenty million, seven hundred sixty-four thousand, four hundred twenty-one".