120663625 has 16 divisors (see below), whose sum is σ = 155450880. Its totient is φ = 93414000.

The previous prime is 120663607. The next prime is 120663643. The reversal of 120663625 is 526366021.

It is an interprime number because it is at equal distance from previous prime (120663607) and next prime (120663643).

It is not a de Polignac number, because 120663625 - 2⁵ = 120663593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11695 + ... + 19444.

It is an arithmetic number, because the mean of its divisors is an integer number (9715680).

Almost surely, 2^120663625 is an apocalyptic number.

It is an amenable number.

120663625 is a deficient number, since it is larger than the sum of its proper divisors (34787255).

120663625 is an equidigital number, since it uses as much as digits as its factorization.

120663625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31185 (or 31175 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 120663625 is about 10984.6995862427. The cubic root of 120663625 is about 494.1499883307.

The spelling of 120663625 in words is "one hundred twenty million, six hundred sixty-three thousand, six hundred twenty-five".