125562157 has 12 divisors (see below), whose sum is σ = 146729856. Its totient is φ = 107132760.

The previous prime is 125562139. The next prime is 125562169. The reversal of 125562157 is 751265521.

It is not a de Polignac number, because 125562157 - 2¹¹ = 125560109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125562137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5182 + ... + 16672.

It is an arithmetic number, because the mean of its divisors is an integer number (12227488).

Almost surely, 2^125562157 is an apocalyptic number.

It is an amenable number.

125562157 is a deficient number, since it is larger than the sum of its proper divisors (21167699).

125562157 is a wasteful number, since it uses less digits than its factorization.

125562157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11728 (or 11721 counting only the distinct ones).

The product of its digits is 21000, while the sum is 34.

The square root of 125562157 is about 11205.4521104684. The cubic root of 125562157 is about 500.7484218372.

The spelling of 125562157 in words is "one hundred twenty-five million, five hundred sixty-two thousand, one hundred fifty-seven".