120457864 has 8 divisors (see below), whose sum is σ = 225858510. Its totient is φ = 60228928.

The previous prime is 120457861. The next prime is 120457879. The reversal of 120457864 is 468754021.

It can be written as a sum of positive squares in only one way, i.e., 120340900 + 116964 = 10970^2 + 342^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (120457861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7528609 + ... + 7528624.

Almost surely, 2^120457864 is an apocalyptic number.

It is an amenable number.

120457864 is a deficient number, since it is larger than the sum of its proper divisors (105400646).

120457864 is a wasteful number, since it uses less digits than its factorization.

120457864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15057239 (or 15057235 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 120457864 is about 10975.3297900336. The cubic root of 120457864 is about 493.8689463150.

The spelling of 120457864 in words is "one hundred twenty million, four hundred fifty-seven thousand, eight hundred sixty-four".