126331252 has 12 divisors (see below), whose sum is σ = 221566660. Its totient is φ = 63026496.

The previous prime is 126331243. The next prime is 126331259. The reversal of 126331252 is 252133621.

It can be written as a sum of positive squares in 2 ways, for example, as 93199716 + 33131536 = 9654^2 + 5756^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126331259) 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, 32727 + ... + 36382.

Almost surely, 2^126331252 is an apocalyptic number.

It is an amenable number.

126331252 is a deficient number, since it is larger than the sum of its proper divisors (95235408).

126331252 is a wasteful number, since it uses less digits than its factorization.

126331252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69570 (or 69568 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 126331252 is about 11239.7176121111. The cubic root of 126331252 is about 501.7687384176.

Adding to 126331252 its reverse (252133621), we get a palindrome (378464873).

The spelling of 126331252 in words is "one hundred twenty-six million, three hundred thirty-one thousand, two hundred fifty-two".