125818427 has 12 divisors (see below), whose sum is σ = 147815136. Its totient is φ = 106772400.

The previous prime is 125818421. The next prime is 125818447. The reversal of 125818427 is 724818521.

It is not a de Polignac number, because 125818427 - 2²² = 121624123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125818421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7763 + ... + 17660.

It is an arithmetic number, because the mean of its divisors is an integer number (12317928).

Almost surely, 2^125818427 is an apocalyptic number.

125818427 is a deficient number, since it is larger than the sum of its proper divisors (21996709).

125818427 is a wasteful number, since it uses less digits than its factorization.

125818427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25538 (or 25531 counting only the distinct ones).

The product of its digits is 35840, while the sum is 38.

The square root of 125818427 is about 11216.8813401943. The cubic root of 125818427 is about 501.0888630333.

The spelling of 125818427 in words is "one hundred twenty-five million, eight hundred eighteen thousand, four hundred twenty-seven".