125030784 has 128 divisors (see below), whose sum is σ = 356918400. Its totient is φ = 38641664.

The previous prime is 125030761. The next prime is 125030791. The reversal of 125030784 is 487030521.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 698407 + ... + 698585.

It is an arithmetic number, because the mean of its divisors is an integer number (2788425).

Almost surely, 2^125030784 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 125030784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178459200).

125030784 is an abundant number, since it is smaller than the sum of its proper divisors (231887616).

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

125030784 is a wasteful number, since it uses less digits than its factorization.

125030784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 125030784 is about 11181.7165050810. The cubic root of 125030784 is about 500.0410419644.

The spelling of 125030784 in words is "one hundred twenty-five million, thirty thousand, seven hundred eighty-four".