126316421327 has 2 divisors, whose sum is σ = 126316421328. Its totient is φ = 126316421326.

The previous prime is 126316421303. The next prime is 126316421353. The reversal of 126316421327 is 723124613621.

It is a weak prime.

It is an emirp because it is prime and its reverse (723124613621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126316421327 - 2³² = 122021454031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126316421377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63158210663 + 63158210664.

It is an arithmetic number, because the mean of its divisors is an integer number (63158210664).

Almost surely, 2^126316421327 is an apocalyptic number.

126316421327 is a deficient number, since it is larger than the sum of its proper divisors (1).

126316421327 is an equidigital number, since it uses as much as digits as its factorization.

126316421327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The spelling of 126316421327 in words is "one hundred twenty-six billion, three hundred sixteen million, four hundred twenty-one thousand, three hundred twenty-seven".