125500444 has 12 divisors (see below), whose sum is σ = 220462704. Its totient is φ = 62511104.

The previous prime is 125500327. The next prime is 125500451. The reversal of 125500444 is 444005521.

It is a happy number.

It is a super-2 number, since 2×125500444² = 31500722888394272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 58597 + ... + 60700.

It is an arithmetic number, because the mean of its divisors is an integer number (18371892).

Almost surely, 2^125500444 is an apocalyptic number.

It is an amenable number.

125500444 is a deficient number, since it is larger than the sum of its proper divisors (94962260).

125500444 is a wasteful number, since it uses less digits than its factorization.

125500444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119564 (or 119562 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 125500444 is about 11202.6980678763. The cubic root of 125500444 is about 500.6663701737. Note that the first 3 decimals are identical.

Adding to 125500444 its reverse (444005521), we get a palindrome (569505965).

The spelling of 125500444 in words is "one hundred twenty-five million, five hundred thousand, four hundred forty-four".