126125044 has 6 divisors (see below), whose sum is σ = 220718834. Its totient is φ = 63062520.

The previous prime is 126125033. The next prime is 126125137. The reversal of 126125044 is 440521621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 119683600 + 6441444 = 10940^2 + 2538^2 .

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 as a sum of consecutive naturals, namely, 15765627 + ... + 15765634.

Almost surely, 2^126125044 is an apocalyptic number.

It is an amenable number.

126125044 is a deficient number, since it is larger than the sum of its proper divisors (94593790).

126125044 is a wasteful number, since it uses less digits than its factorization.

126125044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31531265 (or 31531263 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 126125044 is about 11230.5406815522. The cubic root of 126125044 is about 501.4955806832.

Adding to 126125044 its reverse (440521621), we get a palindrome (566646665).

The spelling of 126125044 in words is "one hundred twenty-six million, one hundred twenty-five thousand, forty-four".