125601656 has 16 divisors (see below), whose sum is σ = 235796400. Its totient is φ = 62722624.

The previous prime is 125601653. The next prime is 125601703. The reversal of 125601656 is 656106521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125601653) 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, 2645 + ... + 16068.

It is an arithmetic number, because the mean of its divisors is an integer number (14737275).

Almost surely, 2^125601656 is an apocalyptic number.

It is an amenable number.

125601656 is a deficient number, since it is larger than the sum of its proper divisors (110194744).

125601656 is a wasteful number, since it uses less digits than its factorization.

125601656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19558 (or 19554 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 125601656 is about 11207.2144621222. The cubic root of 125601656 is about 500.8009243553.

The spelling of 125601656 in words is "one hundred twenty-five million, six hundred one thousand, six hundred fifty-six".