120669725 has 24 divisors (see below), whose sum is σ = 168873120. Its totient is φ = 84728000.

The previous prime is 120669721. The next prime is 120669751. The reversal of 120669725 is 527966021.

It is a happy number.

It is not a de Polignac number, because 120669725 - 2² = 120669721 is a prime.

It is a super-2 number, since 2×120669725² = 29122365063151250, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120669721) 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 23 ways as a sum of consecutive naturals, for example, 410 + ... + 15540.

It is an arithmetic number, because the mean of its divisors is an integer number (7036380).

Almost surely, 2^120669725 is an apocalyptic number.

It is an amenable number.

120669725 is a deficient number, since it is larger than the sum of its proper divisors (48203395).

120669725 is a wasteful number, since it uses less digits than its factorization.

120669725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15181 (or 15176 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 120669725 is about 10984.9772416696. The cubic root of 120669725 is about 494.1583152371.

The spelling of 120669725 in words is "one hundred twenty million, six hundred sixty-nine thousand, seven hundred twenty-five".