125157420157 has 32 divisors (see below), whose sum is σ = 157536866304. Its totient is φ = 96591264000.

The previous prime is 125157420133. The next prime is 125157420163. The reversal of 125157420157 is 751024751521.

It is not a de Polignac number, because 125157420157 - 2⁷ = 125157420029 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 (125157420127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13978032 + ... + 13986982.

It is an arithmetic number, because the mean of its divisors is an integer number (4923027072).

Almost surely, 2^125157420157 is an apocalyptic number.

It is an amenable number.

125157420157 is a deficient number, since it is larger than the sum of its proper divisors (32379446147).

125157420157 is a wasteful number, since it uses less digits than its factorization.

125157420157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10689.

The product of its (nonzero) digits is 98000, while the sum is 40.

The spelling of 125157420157 in words is "one hundred twenty-five billion, one hundred fifty-seven million, four hundred twenty thousand, one hundred fifty-seven".