125573724 has 72 divisors (see below), whose sum is σ = 326787552. Its totient is φ = 40642560.

The previous prime is 125573699. The next prime is 125573729. The reversal of 125573724 is 427375521.

125573724 is a `hidden beast` number, since 12 + 5 + 573 + 72 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125573729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186252 + ... + 186924.

It is an arithmetic number, because the mean of its divisors is an integer number (4538716).

Almost surely, 2^125573724 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 125573724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163393776).

125573724 is an abundant number, since it is smaller than the sum of its proper divisors (201213828).

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

125573724 is a wasteful number, since it uses less digits than its factorization.

125573724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 822 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 125573724 is about 11205.9682312596. The cubic root of 125573724 is about 500.7637979646.

The spelling of 125573724 in words is "one hundred twenty-five million, five hundred seventy-three thousand, seven hundred twenty-four".