125605274637 has 8 divisors (see below), whose sum is σ = 167486714560. Its totient is φ = 83730342240.

The previous prime is 125605274629. The next prime is 125605274647. The reversal of 125605274637 is 736472506521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125605274637 - 2³ = 125605274629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125605274617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1581664 + ... + 1659177.

It is an arithmetic number, because the mean of its divisors is an integer number (20935839320).

Almost surely, 2^125605274637 is an apocalyptic number.

It is an amenable number.

125605274637 is a deficient number, since it is larger than the sum of its proper divisors (41881439923).

125605274637 is a wasteful number, since it uses less digits than its factorization.

125605274637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253763.

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 125605274637 in words is "one hundred twenty-five billion, six hundred five million, two hundred seventy-four thousand, six hundred thirty-seven".