127712701 has 2 divisors, whose sum is σ = 127712702. Its totient is φ = 127712700.

The previous prime is 127712671. The next prime is 127712707. The reversal of 127712701 is 107217721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127712601 + 100 = 11301^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 127712701 - 2⁷ = 127712573 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 127712701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127712707) 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, 63856350 + 63856351.

It is an arithmetic number, because the mean of its divisors is an integer number (63856351).

Almost surely, 2^127712701 is an apocalyptic number.

It is an amenable number.

127712701 is a deficient number, since it is larger than the sum of its proper divisors (1).

127712701 is an equidigital number, since it uses as much as digits as its factorization.

127712701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1372, while the sum is 28.

The square root of 127712701 is about 11301.0044243864. The cubic root of 127712701 is about 503.5910811916.

The spelling of 127712701 in words is "one hundred twenty-seven million, seven hundred twelve thousand, seven hundred one".