125609741762 has 18 divisors (see below), whose sum is σ = 191086652907. Its totient is φ = 61926486336.

The previous prime is 125609741701. The next prime is 125609741791. The reversal of 125609741762 is 267147906521.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 49765132561 + 75844609201 = 223081^2 + 275399^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=250609.

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 125609741762.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 36587198 + ... + 36590630.

Almost surely, 2^125609741762 is an apocalyptic number.

125609741762 is a deficient number, since it is larger than the sum of its proper divisors (65476911145).

125609741762 is an frugal number, since it uses more digits than its factorization.

125609741762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7014 (or 3508 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 50.

Multiplying 125609741762 by its sum of digits (50), we get a square (6280487088100 = 2506090²).

The spelling of 125609741762 in words is "one hundred twenty-five billion, six hundred nine million, seven hundred forty-one thousand, seven hundred sixty-two".