125804544 has 56 divisors (see below), whose sum is σ = 335523840. Its totient is φ = 41926656.

The previous prime is 125804519. The next prime is 125804561. The reversal of 125804544 is 445408521.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22017 + ... + 27135.

Almost surely, 2^125804544 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 125804544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167761920).

125804544 is an abundant number, since it is smaller than the sum of its proper divisors (209719296).

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

125804544 is an frugal number, since it uses more digits than its factorization.

125804544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148 (or 5124 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 125804544 is about 11216.2624790970. The cubic root of 125804544 is about 501.0704320484.

The spelling of 125804544 in words is "one hundred twenty-five million, eight hundred four thousand, five hundred forty-four".