127428713 has 2 divisors, whose sum is σ = 127428714. Its totient is φ = 127428712.

The previous prime is 127428677. The next prime is 127428733. The reversal of 127428713 is 317824721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120736144 + 6692569 = 10988^2 + 2587^2 .

It is a cyclic number.

It is not a de Polignac number, because 127428713 - 2¹⁰ = 127427689 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (127428733) 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, 63714356 + 63714357.

It is an arithmetic number, because the mean of its divisors is an integer number (63714357).

Almost surely, 2^127428713 is an apocalyptic number.

It is an amenable number.

127428713 is a deficient number, since it is larger than the sum of its proper divisors (1).

127428713 is an equidigital number, since it uses as much as digits as its factorization.

127428713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 35.

The square root of 127428713 is about 11288.4327078652. The cubic root of 127428713 is about 503.2175345303.

The spelling of 127428713 in words is "one hundred twenty-seven million, four hundred twenty-eight thousand, seven hundred thirteen".