126264613 has 2 divisors, whose sum is σ = 126264614. Its totient is φ = 126264612.

The previous prime is 126264511. The next prime is 126264617. The reversal of 126264613 is 316462621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97180164 + 29084449 = 9858^2 + 5393^2 .

It is an emirp because it is prime and its reverse (316462621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126264613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126264617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63132306 + 63132307.

It is an arithmetic number, because the mean of its divisors is an integer number (63132307).

Almost surely, 2^126264613 is an apocalyptic number.

It is an amenable number.

126264613 is a deficient number, since it is larger than the sum of its proper divisors (1).

126264613 is an equidigital number, since it uses as much as digits as its factorization.

126264613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 126264613 is about 11236.7527782718. The cubic root of 126264613 is about 501.6804962039.

The spelling of 126264613 in words is "one hundred twenty-six million, two hundred sixty-four thousand, six hundred thirteen".