120156725 has 24 divisors (see below), whose sum is σ = 161005320. Its totient is φ = 88427520.

The previous prime is 120156721. The next prime is 120156727. The reversal of 120156725 is 527651021.

It can be written as a sum of positive squares in 12 ways, for example, as 11142244 + 109014481 = 3338^2 + 10441^2 .

It is not a de Polignac number, because 120156725 - 2² = 120156721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120156721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148121 + ... + 148929.

It is an arithmetic number, because the mean of its divisors is an integer number (6708555).

Almost surely, 2^120156725 is an apocalyptic number.

It is an amenable number.

120156725 is a deficient number, since it is larger than the sum of its proper divisors (40848595).

120156725 is a wasteful number, since it uses less digits than its factorization.

120156725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289 (or 1284 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 120156725 is about 10961.6023007588. The cubic root of 120156725 is about 493.4570531662.

The spelling of 120156725 in words is "one hundred twenty million, one hundred fifty-six thousand, seven hundred twenty-five".