127946647 has 2 divisors, whose sum is σ = 127946648. Its totient is φ = 127946646.

The previous prime is 127946597. The next prime is 127946657. The reversal of 127946647 is 746649721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 127946647 - 2⁷ = 127946519 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 127946597 and 127946606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127946657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63973323 + 63973324.

It is an arithmetic number, because the mean of its divisors is an integer number (63973324).

Almost surely, 2^127946647 is an apocalyptic number.

127946647 is a deficient number, since it is larger than the sum of its proper divisors (1).

127946647 is an equidigital number, since it uses as much as digits as its factorization.

127946647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 46.

The square root of 127946647 is about 11311.3503614732. The cubic root of 127946647 is about 503.8983888021.

The spelling of 127946647 in words is "one hundred twenty-seven million, nine hundred forty-six thousand, six hundred forty-seven".