126111313 has 4 divisors (see below), whose sum is σ = 126181440. Its totient is φ = 126041188.

The previous prime is 126111289. The next prime is 126111319. The reversal of 126111313 is 313111621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126111313 - 2²¹ = 124014161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126111319) 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, 32293 + ... + 35986.

It is an arithmetic number, because the mean of its divisors is an integer number (31545360).

Almost surely, 2^126111313 is an apocalyptic number.

It is an amenable number.

126111313 is a deficient number, since it is larger than the sum of its proper divisors (70127).

126111313 is an equidigital number, since it uses as much as digits as its factorization.

126111313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70126.

The product of its digits is 108, while the sum is 19.

The square root of 126111313 is about 11229.9293408285. The cubic root of 126111313 is about 501.4773810576.

Adding to 126111313 its reverse (313111621), we get a palindrome (439222934).

It can be divided in two parts, 12611 and 1313, that added together give a square (13924 = 118²).

The spelling of 126111313 in words is "one hundred twenty-six million, one hundred eleven thousand, three hundred thirteen".