126831322 has 16 divisors (see below), whose sum is σ = 204743592. Its totient is φ = 58705920.

The previous prime is 126831307. The next prime is 126831337. The reversal of 126831322 is 223138621.

It is an interprime number because it is at equal distance from previous prime (126831307) and next prime (126831337).

It can be written as a sum of positive squares in 4 ways, for example, as 121682961 + 5148361 = 11031^2 + 2269^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28503 + ... + 32650.

Almost surely, 2^126831322 is an apocalyptic number.

126831322 is a deficient number, since it is larger than the sum of its proper divisors (77912270).

126831322 is a wasteful number, since it uses less digits than its factorization.

126831322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61233.

The product of its digits is 3456, while the sum is 28.

The square root of 126831322 is about 11261.9413068973. The cubic root of 126831322 is about 502.4299343742.

Adding to 126831322 its reverse (223138621), we get a palindrome (349969943).

The spelling of 126831322 in words is "one hundred twenty-six million, eight hundred thirty-one thousand, three hundred twenty-two".