120644925 has 12 divisors (see below), whose sum is σ = 199466400. Its totient is φ = 64343920.

The previous prime is 120644917. The next prime is 120644933. The reversal of 120644925 is 529446021.

It is an interprime number because it is at equal distance from previous prime (120644917) and next prime (120644933).

It is not a de Polignac number, because 120644925 - 2³ = 120644917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 804225 + ... + 804374.

It is an arithmetic number, because the mean of its divisors is an integer number (16622200).

Almost surely, 2^120644925 is an apocalyptic number.

120644925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120644925 is a deficient number, since it is larger than the sum of its proper divisors (78821475).

120644925 is a wasteful number, since it uses less digits than its factorization.

120644925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608612 (or 1608607 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 120644925 is about 10983.8483693103. The cubic root of 120644925 is about 494.1244598359.

The spelling of 120644925 in words is "one hundred twenty million, six hundred forty-four thousand, nine hundred twenty-five".