120599925625 has 45 divisors (see below), whose sum is σ = 156403990171. Its totient is φ = 92958572000.

The previous prime is 120599925617. The next prime is 120599925629. The reversal of 120599925625 is 526529995021.

It is a happy number.

The square root of 120599925625 is 347275.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 90199910889 + 30400014736 = 300333^2 + 174356^2 .

It is not a de Polignac number, because 120599925625 - 2³ = 120599925617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120599925629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 251774136 + ... + 251774614.

Almost surely, 2^120599925625 is an apocalyptic number.

120599925625 is the 347275-th square number.

120599925625 is the 173638-th centered octagonal number.

It is an amenable number.

120599925625 is a deficient number, since it is larger than the sum of its proper divisors (35804064546).

120599925625 is an frugal number, since it uses more digits than its factorization.

120599925625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 55.

The spelling of 120599925625 in words is "one hundred twenty billion, five hundred ninety-nine million, nine hundred twenty-five thousand, six hundred twenty-five".