126727388371 has 2 divisors, whose sum is σ = 126727388372. Its totient is φ = 126727388370.

The previous prime is 126727388341. The next prime is 126727388407. The reversal of 126727388371 is 173883727621.

It is a weak prime.

It is an emirp because it is prime and its reverse (173883727621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126727388371 - 2¹³ = 126727380179 is a prime.

It is not a weakly prime, because it can be changed into another prime (126727388341) 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, 63363694185 + 63363694186.

It is an arithmetic number, because the mean of its divisors is an integer number (63363694186).

Almost surely, 2^126727388371 is an apocalyptic number.

126727388371 is a deficient number, since it is larger than the sum of its proper divisors (1).

126727388371 is an equidigital number, since it uses as much as digits as its factorization.

126727388371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4741632, while the sum is 55.

The spelling of 126727388371 in words is "one hundred twenty-six billion, seven hundred twenty-seven million, three hundred eighty-eight thousand, three hundred seventy-one".