1170127513 has 2 divisors, whose sum is σ = 1170127514. Its totient is φ = 1170127512.

The previous prime is 1170127489. The next prime is 1170127529. The reversal of 1170127513 is 3157210711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1089792144 + 80335369 = 33012^2 + 8963^2 .

It is an emirp because it is prime and its reverse (3157210711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1170127513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1170127313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585063756 + 585063757.

It is an arithmetic number, because the mean of its divisors is an integer number (585063757).

Almost surely, 2^1170127513 is an apocalyptic number.

It is an amenable number.

1170127513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170127513 is an equidigital number, since it uses as much as digits as its factorization.

1170127513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 28.

The square root of 1170127513 is about 34207.1266405116. The cubic root of 1170127513 is about 1053.7665219950.

The spelling of 1170127513 in words is "one billion, one hundred seventy million, one hundred twenty-seven thousand, five hundred thirteen".