1312119227 has 2 divisors, whose sum is σ = 1312119228. Its totient is φ = 1312119226.

The previous prime is 1312119217. The next prime is 1312119241. The reversal of 1312119227 is 7229112131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312119227 - 2²⁴ = 1295342011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1312119227.

It is not a weakly prime, because it can be changed into another prime (1312119217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656059613 + 656059614.

It is an arithmetic number, because the mean of its divisors is an integer number (656059614).

Almost surely, 2^1312119227 is an apocalyptic number.

1312119227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312119227 is an equidigital number, since it uses as much as digits as its factorization.

1312119227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 29.

The square root of 1312119227 is about 36223.1863176060. The cubic root of 1312119227 is about 1094.7738951985.

The spelling of 1312119227 in words is "one billion, three hundred twelve million, one hundred nineteen thousand, two hundred twenty-seven".