125787729325 has 12 divisors (see below), whose sum is σ = 156166793748. Its totient is φ = 100507596800.

The previous prime is 125787729323. The next prime is 125787729329. The reversal of 125787729325 is 523927787521.

It can be written as a sum of positive squares in 6 ways, for example, as 46185878281 + 79601851044 = 214909^2 + 282138^2 .

It is not a de Polignac number, because 125787729325 - 2¹ = 125787729323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125787729325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125787729323) 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, 3043732 + ... + 3084781.

It is an arithmetic number, because the mean of its divisors is an integer number (13013899479).

Almost surely, 2^125787729325 is an apocalyptic number.

It is an amenable number.

125787729325 is a deficient number, since it is larger than the sum of its proper divisors (30379064423).

125787729325 is an equidigital number, since it uses as much as digits as its factorization.

125787729325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6129344 (or 6129339 counting only the distinct ones).

The product of its digits is 14817600, while the sum is 58.

The spelling of 125787729325 in words is "one hundred twenty-five billion, seven hundred eighty-seven million, seven hundred twenty-nine thousand, three hundred twenty-five".