126042244 has 6 divisors (see below), whose sum is σ = 220573934. Its totient is φ = 63021120.

The previous prime is 126042221. The next prime is 126042247. The reversal of 126042244 is 442240621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 89075844 + 36966400 = 9438^2 + 6080^2 .

It is not an unprimeable number, because it can be changed into a prime (126042247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15755277 + ... + 15755284.

Almost surely, 2^126042244 is an apocalyptic number.

It is an amenable number.

126042244 is a deficient number, since it is larger than the sum of its proper divisors (94531690).

126042244 is a wasteful number, since it uses less digits than its factorization.

126042244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31510565 (or 31510563 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 126042244 is about 11226.8536999464. The cubic root of 126042244 is about 501.3858141563.

Adding to 126042244 its reverse (442240621), we get a palindrome (568282865).

The spelling of 126042244 in words is "one hundred twenty-six million, forty-two thousand, two hundred forty-four".