127960913 has 2 divisors, whose sum is σ = 127960914. Its totient is φ = 127960912.

The previous prime is 127960867. The next prime is 127960919. The reversal of 127960913 is 319069721.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77933584 + 50027329 = 8828^2 + 7073^2 .

It is an emirp because it is prime and its reverse (319069721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127960913 - 2¹⁶ = 127895377 is a prime.

It is not a weakly prime, because it can be changed into another prime (127960919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63980456 + 63980457.

It is an arithmetic number, because the mean of its divisors is an integer number (63980457).

Almost surely, 2^127960913 is an apocalyptic number.

It is an amenable number.

127960913 is a deficient number, since it is larger than the sum of its proper divisors (1).

127960913 is an equidigital number, since it uses as much as digits as its factorization.

127960913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 127960913 is about 11311.9809494182. The cubic root of 127960913 is about 503.9171162624.

The spelling of 127960913 in words is "one hundred twenty-seven million, nine hundred sixty thousand, nine hundred thirteen".