126112313 has 4 divisors (see below), whose sum is σ = 126166500. Its totient is φ = 126058128.

The previous prime is 126112303. The next prime is 126112321. The reversal of 126112313 is 313211621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313211621 = 17 ⋅18424213.

It can be written as a sum of positive squares in 2 ways, for example, as 105925264 + 20187049 = 10292^2 + 4493^2 .

It is a cyclic number.

It is not a de Polignac number, because 126112313 - 2⁴ = 126112297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126112303) 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, 23438 + ... + 28311.

It is an arithmetic number, because the mean of its divisors is an integer number (31541625).

Almost surely, 2^126112313 is an apocalyptic number.

It is an amenable number.

126112313 is a deficient number, since it is larger than the sum of its proper divisors (54187).

126112313 is an equidigital number, since it uses as much as digits as its factorization.

126112313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54186.

The product of its digits is 216, while the sum is 20.

The square root of 126112313 is about 11229.9738646179. The cubic root of 126112313 is about 501.4787065429.

Adding to 126112313 its reverse (313211621), we get a palindrome (439323934).

The spelling of 126112313 in words is "one hundred twenty-six million, one hundred twelve thousand, three hundred thirteen".