1116395247 has 24 divisors (see below), whose sum is σ = 1639036672. Its totient is φ = 675409680.

The previous prime is 1116395243. The next prime is 1116395249. The reversal of 1116395247 is 7425936111.

It is not a de Polignac number, because 1116395247 - 2² = 1116395243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116395243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 231018 + ... + 235800.

Almost surely, 2^1116395247 is an apocalyptic number.

1116395247 is a deficient number, since it is larger than the sum of its proper divisors (522641425).

1116395247 is a wasteful number, since it uses less digits than its factorization.

1116395247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5451 (or 5440 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 1116395247 is about 33412.5013580247. The cubic root of 1116395247 is about 1037.3834765734.

It can be divided in two parts, 111639 and 5247, that added together give a triangular number (116886 = T₄₈₃).

The spelling of 1116395247 in words is "one billion, one hundred sixteen million, three hundred ninety-five thousand, two hundred forty-seven".