125238973127 has 4 divisors (see below), whose sum is σ = 125425064400. Its totient is φ = 125052881856.

The previous prime is 125238973109. The next prime is 125238973159. The reversal of 125238973127 is 721379832521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125238973127 - 2³⁰ = 124165231303 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 (125238973627) 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, 93044627 + ... + 93045972.

It is an arithmetic number, because the mean of its divisors is an integer number (31356266100).

Almost surely, 2^125238973127 is an apocalyptic number.

125238973127 is a deficient number, since it is larger than the sum of its proper divisors (186091273).

125238973127 is an equidigital number, since it uses as much as digits as its factorization.

125238973127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186091272.

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

The spelling of 125238973127 in words is "one hundred twenty-five billion, two hundred thirty-eight million, nine hundred seventy-three thousand, one hundred twenty-seven".