125165992 has 48 divisors (see below), whose sum is σ = 276363360. Its totient is φ = 52982496.

The previous prime is 125165959. The next prime is 125166043. The reversal of 125165992 is 299561521.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30613 + ... + 34459.

It is an arithmetic number, because the mean of its divisors is an integer number (5757570).

Almost surely, 2^125165992 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 125165992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138181680).

125165992 is an abundant number, since it is smaller than the sum of its proper divisors (151197368).

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

125165992 is a wasteful number, since it uses less digits than its factorization.

125165992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3950 (or 3939 counting only the distinct ones).

The product of its digits is 48600, while the sum is 40.

The square root of 125165992 is about 11187.7608126023. The cubic root of 125165992 is about 500.2212247714.

The spelling of 125165992 in words is "one hundred twenty-five million, one hundred sixty-five thousand, nine hundred ninety-two".