126130444 has 48 divisors (see below), whose sum is σ = 251596800. Its totient is φ = 54806400.

The previous prime is 126130427. The next prime is 126130457. The reversal of 126130444 is 444031621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120877 + ... + 121915.

It is an arithmetic number, because the mean of its divisors is an integer number (5241600).

Almost surely, 2^126130444 is an apocalyptic number.

It is an amenable number.

126130444 is a deficient number, since it is larger than the sum of its proper divisors (125466356).

126130444 is a wasteful number, since it uses less digits than its factorization.

126130444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174 (or 1172 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 126130444 is about 11230.7810948304. The cubic root of 126130444 is about 501.5027377008.

The spelling of 126130444 in words is "one hundred twenty-six million, one hundred thirty thousand, four hundred forty-four".