120136678525 has 24 divisors (see below), whose sum is σ = 151108156584. Its totient is φ = 94731264000.

The previous prime is 120136678483. The next prime is 120136678549. The reversal of 120136678525 is 525876631021.

It can be written as a sum of positive squares in 12 ways, for example, as 151339204 + 119985339321 = 12302^2 + 346389^2 .

It is not a de Polignac number, because 120136678525 - 2⁷ = 120136678397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2901267 + ... + 2942383.

It is an arithmetic number, because the mean of its divisors is an integer number (6296173191).

Almost surely, 2^120136678525 is an apocalyptic number.

It is an amenable number.

120136678525 is a deficient number, since it is larger than the sum of its proper divisors (30971478059).

120136678525 is a wasteful number, since it uses less digits than its factorization.

120136678525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42801 (or 42796 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 120136678525 in words is "one hundred twenty billion, one hundred thirty-six million, six hundred seventy-eight thousand, five hundred twenty-five".