127495013 has 2 divisors, whose sum is σ = 127495014. Its totient is φ = 127495012.

The previous prime is 127495009. The next prime is 127495021. The reversal of 127495013 is 310594721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98743969 + 28751044 = 9937^2 + 5362^2 .

It is a cyclic number.

It is not a de Polignac number, because 127495013 - 2² = 127495009 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127435013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63747506 + 63747507.

It is an arithmetic number, because the mean of its divisors is an integer number (63747507).

Almost surely, 2^127495013 is an apocalyptic number.

It is an amenable number.

127495013 is a deficient number, since it is larger than the sum of its proper divisors (1).

127495013 is an equidigital number, since it uses as much as digits as its factorization.

127495013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 127495013 is about 11291.3689604051. The cubic root of 127495013 is about 503.3047925671.

The spelling of 127495013 in words is "one hundred twenty-seven million, four hundred ninety-five thousand, thirteen".