125665952 has 48 divisors (see below), whose sum is σ = 254846592. Its totient is φ = 60963840.

The previous prime is 125665933. The next prime is 125665957. The reversal of 125665952 is 259566521.

It is not an unprimeable number, because it can be changed into a prime (125665957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372728 + ... + 373064.

It is an arithmetic number, because the mean of its divisors is an integer number (5309304).

Almost surely, 2^125665952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125665952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127423296).

125665952 is an abundant number, since it is smaller than the sum of its proper divisors (129180640).

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

125665952 is a wasteful number, since it uses less digits than its factorization.

125665952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 653 counting only the distinct ones).

The product of its digits is 162000, while the sum is 41.

The square root of 125665952 is about 11210.0826045128. The cubic root of 125665952 is about 500.8863637900.

The spelling of 125665952 in words is "one hundred twenty-five million, six hundred sixty-five thousand, nine hundred fifty-two".