1317127051 has 8 divisors (see below), whose sum is σ = 1321923680. Its totient is φ = 1312339968.

The previous prime is 1317127001. The next prime is 1317127061. The reversal of 1317127051 is 1507217131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1317127051 - 2²⁷ = 1182909323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1317127001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372745 + ... + 376261.

It is an arithmetic number, because the mean of its divisors is an integer number (165240460).

Almost surely, 2^1317127051 is an apocalyptic number.

1317127051 is a deficient number, since it is larger than the sum of its proper divisors (4796629).

1317127051 is an equidigital number, since it uses as much as digits as its factorization.

1317127051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4773.

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

The square root of 1317127051 is about 36292.2450531791. The cubic root of 1317127051 is about 1096.1648955705.

The spelling of 1317127051 in words is "one billion, three hundred seventeen million, one hundred twenty-seven thousand, fifty-one".