126044244 has 18 divisors (see below), whose sum is σ = 318611930. Its totient is φ = 42014736.

The previous prime is 126044231. The next prime is 126044249. The reversal of 126044244 is 442440621.

It is a happy number.

126044244 is a `hidden beast` number, since 12 + 604 + 4 + 2 + 44 = 666.

It can be written as a sum of positive squares in only one way, i.e., 101243844 + 24800400 = 10062^2 + 4980^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126044249) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1750579 + ... + 1750650.

Almost surely, 2^126044244 is an apocalyptic number.

It is an amenable number.

126044244 is an abundant number, since it is smaller than the sum of its proper divisors (192567686).

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

126044244 is a wasteful number, since it uses less digits than its factorization.

126044244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501239 (or 3501234 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 126044244 is about 11226.9427717433. The cubic root of 126044244 is about 501.3884660882.

Adding to 126044244 its reverse (442440621), we get a palindrome (568484865).

The spelling of 126044244 in words is "one hundred twenty-six million, forty-four thousand, two hundred forty-four".