1113340187 has 2 divisors, whose sum is σ = 1113340188. Its totient is φ = 1113340186.

The previous prime is 1113340103. The next prime is 1113340213. The reversal of 1113340187 is 7810433111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1113340187 - 2²⁰ = 1112291611 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113342187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556670093 + 556670094.

It is an arithmetic number, because the mean of its divisors is an integer number (556670094).

Almost surely, 2^1113340187 is an apocalyptic number.

1113340187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113340187 is an equidigital number, since it uses as much as digits as its factorization.

1113340187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1113340187 is about 33366.7527188368. The cubic root of 1113340187 is about 1036.4363316983.

Adding to 1113340187 its reverse (7810433111), we get a palindrome (8923773298).

The spelling of 1113340187 in words is "one billion, one hundred thirteen million, three hundred forty thousand, one hundred eighty-seven".