125156444 has 24 divisors (see below), whose sum is σ = 250585440. Its totient is φ = 53580096.

The previous prime is 125156443. The next prime is 125156491. The reversal of 125156444 is 444651521.

It is a self number, because there is not a number n which added to its sum of digits gives 125156444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125156443) 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, 32594 + ... + 36230.

It is an arithmetic number, because the mean of its divisors is an integer number (10441060).

Almost surely, 2^125156444 is an apocalyptic number.

125156444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

125156444 is an abundant number, since it is smaller than the sum of its proper divisors (125428996).

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

125156444 is a wasteful number, since it uses less digits than its factorization.

125156444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4877 (or 4875 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 125156444 is about 11187.3340881552. The cubic root of 125156444 is about 500.2085050392.

The spelling of 125156444 in words is "one hundred twenty-five million, one hundred fifty-six thousand, four hundred forty-four".