125157427 has 4 divisors (see below), whose sum is σ = 131744680. Its totient is φ = 118570176.

The previous prime is 125157413. The next prime is 125157437. The reversal of 125157427 is 724751521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125157427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125157392 and 125157401.

It is not an unprimeable number, because it can be changed into a prime (125157437) 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, 3293598 + ... + 3293635.

It is an arithmetic number, because the mean of its divisors is an integer number (32936170).

Almost surely, 2^125157427 is an apocalyptic number.

125157427 is a deficient number, since it is larger than the sum of its proper divisors (6587253).

125157427 is an equidigital number, since it uses as much as digits as its factorization.

125157427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6587252.

The product of its digits is 19600, while the sum is 34.

The square root of 125157427 is about 11187.3780216814. The cubic root of 125157427 is about 500.2098146100.

The spelling of 125157427 in words is "one hundred twenty-five million, one hundred fifty-seven thousand, four hundred twenty-seven".