126631322267 has 2 divisors, whose sum is σ = 126631322268. Its totient is φ = 126631322266.

The previous prime is 126631322201. The next prime is 126631322281. The reversal of 126631322267 is 762223136621.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (762223136621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126631322267 - 2²⁴ = 126614545051 is a prime.

It is not a weakly prime, because it can be changed into another prime (126631322767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63315661133 + 63315661134.

It is an arithmetic number, because the mean of its divisors is an integer number (63315661134).

Almost surely, 2^126631322267 is an apocalyptic number.

126631322267 is a deficient number, since it is larger than the sum of its proper divisors (1).

126631322267 is an equidigital number, since it uses as much as digits as its factorization.

126631322267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 41.

Adding to 126631322267 its reverse (762223136621), we get a palindrome (888854458888).

The spelling of 126631322267 in words is "one hundred twenty-six billion, six hundred thirty-one million, three hundred twenty-two thousand, two hundred sixty-seven".