127234799971 has 2 divisors, whose sum is σ = 127234799972. Its totient is φ = 127234799970.

The previous prime is 127234799963. The next prime is 127234800019. The reversal of 127234799971 is 179997432721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 127234799971 - 2³ = 127234799963 is a prime.

It is not a weakly prime, because it can be changed into another prime (127234799911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63617399985 + 63617399986.

It is an arithmetic number, because the mean of its divisors is an integer number (63617399986).

Almost surely, 2^127234799971 is an apocalyptic number.

127234799971 is a deficient number, since it is larger than the sum of its proper divisors (1).

127234799971 is an equidigital number, since it uses as much as digits as its factorization.

127234799971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12002256, while the sum is 61.

The spelling of 127234799971 in words is "one hundred twenty-seven billion, two hundred thirty-four million, seven hundred ninety-nine thousand, nine hundred seventy-one".