1315119187 has 2 divisors, whose sum is σ = 1315119188. Its totient is φ = 1315119186.

The previous prime is 1315119149. The next prime is 1315119193. The reversal of 1315119187 is 7819115131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1315119187 - 2¹⁵ = 1315086419 is a prime.

It is not a weakly prime, because it can be changed into another prime (1315119287) 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, 657559593 + 657559594.

It is an arithmetic number, because the mean of its divisors is an integer number (657559594).

Almost surely, 2^1315119187 is an apocalyptic number.

1315119187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315119187 is an equidigital number, since it uses as much as digits as its factorization.

1315119187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 37.

The square root of 1315119187 is about 36264.5720642061. The cubic root of 1315119187 is about 1095.6076045144.

The spelling of 1315119187 in words is "one billion, three hundred fifteen million, one hundred nineteen thousand, one hundred eighty-seven".