126826539841 has 2 divisors, whose sum is σ = 126826539842. Its totient is φ = 126826539840.

The previous prime is 126826539839. The next prime is 126826539857. The reversal of 126826539841 is 148935628621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92236119616 + 34590420225 = 303704^2 + 185985^2 .

It is a cyclic number.

It is not a de Polignac number, because 126826539841 - 2¹ = 126826539839 is a prime.

Together with 126826539839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (126826530841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63413269920 + 63413269921.

It is an arithmetic number, because the mean of its divisors is an integer number (63413269921).

Almost surely, 2^126826539841 is an apocalyptic number.

It is an amenable number.

126826539841 is a deficient number, since it is larger than the sum of its proper divisors (1).

126826539841 is an equidigital number, since it uses as much as digits as its factorization.

126826539841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4976640, while the sum is 55.

The spelling of 126826539841 in words is "one hundred twenty-six billion, eight hundred twenty-six million, five hundred thirty-nine thousand, eight hundred forty-one".