125156740 has 24 divisors (see below), whose sum is σ = 263531520. Its totient is φ = 49928928.

The previous prime is 125156711. The next prime is 125156749. The reversal of 125156740 is 47651521.

It is not an unprimeable number, because it can be changed into a prime (125156749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510 + ... + 15829.

It is an arithmetic number, because the mean of its divisors is an integer number (10980480).

Almost surely, 2^125156740 is an apocalyptic number.

125156740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125156740 is an abundant number, since it is smaller than the sum of its proper divisors (138374780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125156740 is a wasteful number, since it uses less digits than its factorization.

125156740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16731 (or 16729 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 125156740 is about 11187.3473173939. The cubic root of 125156740 is about 500.2088993766.

The spelling of 125156740 in words is "one hundred twenty-five million, one hundred fifty-six thousand, seven hundred forty".