127272024791 has 2 divisors, whose sum is σ = 127272024792. Its totient is φ = 127272024790.

The previous prime is 127272024707. The next prime is 127272024793. The reversal of 127272024791 is 197420272721.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127272024791 is a prime.

Together with 127272024793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127272024793) 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, 63636012395 + 63636012396.

It is an arithmetic number, because the mean of its divisors is an integer number (63636012396).

Almost surely, 2^127272024791 is an apocalyptic number.

127272024791 is a deficient number, since it is larger than the sum of its proper divisors (1).

127272024791 is an equidigital number, since it uses as much as digits as its factorization.

127272024791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 197568, while the sum is 44.

The spelling of 127272024791 in words is "one hundred twenty-seven billion, two hundred seventy-two million, twenty-four thousand, seven hundred ninety-one".