125051328 has 84 divisors (see below), whose sum is σ = 361965240. Its totient is φ = 41273856.

The previous prime is 125051323. The next prime is 125051347. The reversal of 125051328 is 823150521.

It is a happy number.

125051328 is a `hidden beast` number, since 125 + 0 + 513 + 28 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125051323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60618 + ... + 62646.

It is an arithmetic number, because the mean of its divisors is an integer number (4309110).

Almost surely, 2^125051328 is an apocalyptic number.

125051328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125051328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180982620).

125051328 is an abundant number, since it is smaller than the sum of its proper divisors (236913912).

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

125051328 is a wasteful number, since it uses less digits than its factorization.

125051328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2154 (or 2141 counting only the distinct ones).

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

The square root of 125051328 is about 11182.6351098478. The cubic root of 125051328 is about 500.0684279681.

The spelling of 125051328 in words is "one hundred twenty-five million, fifty-one thousand, three hundred twenty-eight".