120864428 has 6 divisors (see below), whose sum is σ = 211512756. Its totient is φ = 60432212.

The previous prime is 120864397. The next prime is 120864437. The reversal of 120864428 is 824468021.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15108050 + ... + 15108057.

It is an arithmetic number, because the mean of its divisors is an integer number (35252126).

Almost surely, 2^120864428 is an apocalyptic number.

It is an amenable number.

120864428 is a deficient number, since it is larger than the sum of its proper divisors (90648328).

120864428 is a wasteful number, since it uses less digits than its factorization.

120864428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30216111 (or 30216109 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 120864428 is about 10993.8359092721. The cubic root of 120864428 is about 494.4239505073.

The spelling of 120864428 in words is "one hundred twenty million, eight hundred sixty-four thousand, four hundred twenty-eight".