125724444 has 24 divisors (see below), whose sum is σ = 308797440. Its totient is φ = 39702384.

The previous prime is 125724439. The next prime is 125724449. The reversal of 125724444 is 444427521.

It is an interprime number because it is at equal distance from previous prime (125724439) and next prime (125724449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125724449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275484 + ... + 275939.

It is an arithmetic number, because the mean of its divisors is an integer number (12866560).

Almost surely, 2^125724444 is an apocalyptic number.

It is an amenable number.

125724444 is an abundant number, since it is smaller than the sum of its proper divisors (183072996).

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

125724444 is a wasteful number, since it uses less digits than its factorization.

125724444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551449 (or 551447 counting only the distinct ones).

The product of its digits is 35840, while the sum is 33.

The square root of 125724444 is about 11212.6912023831. The cubic root of 125724444 is about 500.9640652949.

The spelling of 125724444 in words is "one hundred twenty-five million, seven hundred twenty-four thousand, four hundred forty-four".