127670317 has 2 divisors, whose sum is σ = 127670318. Its totient is φ = 127670316.

The previous prime is 127670299. The next prime is 127670327. The reversal of 127670317 is 713076721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127667401 + 2916 = 11299^2 + 54^2 .

It is a cyclic number.

It is not a de Polignac number, because 127670317 - 2¹⁹ = 127146029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127670327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63835158 + 63835159.

It is an arithmetic number, because the mean of its divisors is an integer number (63835159).

Almost surely, 2^127670317 is an apocalyptic number.

It is an amenable number.

127670317 is a deficient number, since it is larger than the sum of its proper divisors (1).

127670317 is an equidigital number, since it uses as much as digits as its factorization.

127670317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12348, while the sum is 34.

The square root of 127670317 is about 11299.1290372311. The cubic root of 127670317 is about 503.5353661223.

The spelling of 127670317 in words is "one hundred twenty-seven million, six hundred seventy thousand, three hundred seventeen".