125400688 has 20 divisors (see below), whose sum is σ = 277673200. Its totient is φ = 53743104.

The previous prime is 125400679. The next prime is 125400719. The reversal of 125400688 is 886004521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559713 + ... + 559936.

It is an arithmetic number, because the mean of its divisors is an integer number (13883660).

Almost surely, 2^125400688 is an apocalyptic number.

It is an amenable number.

125400688 is an abundant number, since it is smaller than the sum of its proper divisors (152272512).

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

125400688 is a wasteful number, since it uses less digits than its factorization.

125400688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119664 (or 1119658 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 125400688 is about 11198.2448624773. The cubic root of 125400688 is about 500.5336808335.

The spelling of 125400688 in words is "one hundred twenty-five million, four hundred thousand, six hundred eighty-eight".