120775317725 has 12 divisors (see below), whose sum is σ = 151244183220. Its totient is φ = 95663616000.

The previous prime is 120775317679. The next prime is 120775317727. The reversal of 120775317725 is 527713577021.

It can be written as a sum of positive squares in 6 ways, for example, as 1659910564 + 119115407161 = 40742^2 + 345131^2 .

It is not a de Polignac number, because 120775317725 - 2⁸ = 120775317469 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 120775317725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120775317727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23913380 + ... + 23918429.

It is an arithmetic number, because the mean of its divisors is an integer number (12603681935).

Almost surely, 2^120775317725 is an apocalyptic number.

It is an amenable number.

120775317725 is a deficient number, since it is larger than the sum of its proper divisors (30468865495).

120775317725 is a wasteful number, since it uses less digits than its factorization.

120775317725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47831920 (or 47831915 counting only the distinct ones).

The product of its (nonzero) digits is 720300, while the sum is 47.

The spelling of 120775317725 in words is "one hundred twenty billion, seven hundred seventy-five million, three hundred seventeen thousand, seven hundred twenty-five".