120618625 has 16 divisors (see below), whose sum is σ = 150855120. Its totient is φ = 96288000.

The previous prime is 120618623. The next prime is 120618661. The reversal of 120618625 is 526816021.

It can be written as a sum of positive squares in 8 ways, for example, as 84474481 + 36144144 = 9191^2 + 6012^2 .

It is not a de Polignac number, because 120618625 - 2¹ = 120618623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120618623) by changing a digit.

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, 87945 + ... + 89305.

It is an arithmetic number, because the mean of its divisors is an integer number (9428445).

Almost surely, 2^120618625 is an apocalyptic number.

It is an amenable number.

120618625 is a deficient number, since it is larger than the sum of its proper divisors (30236495).

120618625 is an equidigital number, since it uses as much as digits as its factorization.

120618625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2085 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 120618625 is about 10982.6510916081. The cubic root of 120618625 is about 494.0885516595.

The spelling of 120618625 in words is "one hundred twenty million, six hundred eighteen thousand, six hundred twenty-five".