125251038 has 48 divisors (see below), whose sum is σ = 297063936. Its totient is φ = 37824720.

The previous prime is 125251013. The next prime is 125251079. The reversal of 125251038 is 830152521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67795 + ... + 69617.

It is an arithmetic number, because the mean of its divisors is an integer number (6188832).

Almost surely, 2^125251038 is an apocalyptic number.

125251038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125251038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148531968).

125251038 is an abundant number, since it is smaller than the sum of its proper divisors (171812898).

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

125251038 is a wasteful number, since it uses less digits than its factorization.

125251038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 125251038 is about 11191.5610171236. The cubic root of 125251038 is about 500.3344935116.

The spelling of 125251038 in words is "one hundred twenty-five million, two hundred fifty-one thousand, thirty-eight".