125440344 has 96 divisors (see below), whose sum is σ = 357177600. Its totient is φ = 39695040.

The previous prime is 125440309. The next prime is 125440369. The reversal of 125440344 is 443044521.

It is a happy number.

125440344 is a `hidden beast` number, since 1 + 254 + 403 + 4 + 4 = 666.

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 23 ways as a sum of consecutive naturals, for example, 349237 + ... + 349595.

It is an arithmetic number, because the mean of its divisors is an integer number (3720600).

Almost surely, 2^125440344 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 125440344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178588800).

125440344 is an abundant number, since it is smaller than the sum of its proper divisors (231737256).

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

125440344 is a wasteful number, since it uses less digits than its factorization.

125440344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 125440344 is about 11200.0153571323. The cubic root of 125440344 is about 500.5864372471.

Adding to 125440344 its reverse (443044521), we get a palindrome (568484865).

The spelling of 125440344 in words is "one hundred twenty-five million, four hundred forty thousand, three hundred forty-four".