126136244 has 12 divisors (see below), whose sum is σ = 237718404. Its totient is φ = 58216704.

The previous prime is 126136211. The next prime is 126136247. The reversal of 126136244 is 442631621.

It can be written as a sum of positive squares in 2 ways, for example, as 59876644 + 66259600 = 7738^2 + 8140^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126136247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212797 + ... + 1212900.

It is an arithmetic number, because the mean of its divisors is an integer number (19809867).

Almost surely, 2^126136244 is an apocalyptic number.

It is an amenable number.

126136244 is a deficient number, since it is larger than the sum of its proper divisors (111582160).

126136244 is a wasteful number, since it uses less digits than its factorization.

126136244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425714 (or 2425712 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 126136244 is about 11231.0393107673. The cubic root of 126136244 is about 501.5104246403.

Adding to 126136244 its reverse (442631621), we get a palindrome (568767865).

The spelling of 126136244 in words is "one hundred twenty-six million, one hundred thirty-six thousand, two hundred forty-four".