127872671 has 2 divisors, whose sum is σ = 127872672. Its totient is φ = 127872670.

The previous prime is 127872631. The next prime is 127872673. The reversal of 127872671 is 176278721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127872671 - 2⁶ = 127872607 is a prime.

Together with 127872673, 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 (127872673) 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, 63936335 + 63936336.

It is an arithmetic number, because the mean of its divisors is an integer number (63936336).

Almost surely, 2^127872671 is an apocalyptic number.

127872671 is a deficient number, since it is larger than the sum of its proper divisors (1).

127872671 is an equidigital number, since it uses as much as digits as its factorization.

127872671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65856, while the sum is 41.

The square root of 127872671 is about 11308.0798989041. The cubic root of 127872671 is about 503.8012556754.

The spelling of 127872671 in words is "one hundred twenty-seven million, eight hundred seventy-two thousand, six hundred seventy-one".