120726313525 has 12 divisors (see below), whose sum is σ = 149740548804. Its totient is φ = 96555296000.

The previous prime is 120726313517. The next prime is 120726313531. The reversal of 120726313525 is 525313627021.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 29671440516 + 91054873009 = 172254^2 + 301753^2 .

It is not a de Polignac number, because 120726313525 - 2³ = 120726313517 is a prime.

It is a Duffinian number.

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, 547966 + ... + 736015.

It is an arithmetic number, because the mean of its divisors is an integer number (12478379067).

Almost surely, 2^120726313525 is an apocalyptic number.

It is an amenable number.

120726313525 is a deficient number, since it is larger than the sum of its proper divisors (29014235279).

120726313525 is a wasteful number, since it uses less digits than its factorization.

120726313525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287752 (or 1287747 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 120726313525 in words is "one hundred twenty billion, seven hundred twenty-six million, three hundred thirteen thousand, five hundred twenty-five".