126231585725 has 48 divisors (see below), whose sum is σ = 179814967296. Its totient is φ = 86111424000.

The previous prime is 126231585691. The next prime is 126231585737. The reversal of 126231585725 is 527585132621.

It is not a de Polignac number, because 126231585725 - 2³⁶ = 57512108989 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 126231585725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37223780 + ... + 37227170.

It is an arithmetic number, because the mean of its divisors is an integer number (3746145152).

Almost surely, 2^126231585725 is an apocalyptic number.

It is an amenable number.

126231585725 is a deficient number, since it is larger than the sum of its proper divisors (53583381571).

126231585725 is a wasteful number, since it uses less digits than its factorization.

126231585725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4446 (or 4441 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 47.

The spelling of 126231585725 in words is "one hundred twenty-six billion, two hundred thirty-one million, five hundred eighty-five thousand, seven hundred twenty-five".