125371782724 has 12 divisors (see below), whose sum is σ = 221865795900. Its totient is φ = 61981555328.

The previous prime is 125371782721. The next prime is 125371782743. The reversal of 125371782724 is 427287173521.

It can be written as a sum of positive squares in 2 ways, for example, as 29866061124 + 95505721600 = 172818^2 + 309040^2 .

It is a super-3 number, since 3×125371782724³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (125371782721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176083609 + ... + 176084320.

It is an arithmetic number, because the mean of its divisors is an integer number (18488816325).

Almost surely, 2^125371782724 is an apocalyptic number.

It is an amenable number.

125371782724 is a deficient number, since it is larger than the sum of its proper divisors (96494013176).

125371782724 is a wasteful number, since it uses less digits than its factorization.

125371782724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352168022 (or 352168020 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 49.

The spelling of 125371782724 in words is "one hundred twenty-five billion, three hundred seventy-one million, seven hundred eighty-two thousand, seven hundred twenty-four".