1116307309 has 8 divisors (see below), whose sum is σ = 1202441240. Its totient is φ = 1030211136.

The previous prime is 1116307307. The next prime is 1116307319. The reversal of 1116307309 is 9037036111.

It can be written as a sum of positive squares in 4 ways, for example, as 119137225 + 997170084 = 10915^2 + 31578^2 .

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 1116307309 - 2¹ = 1116307307 is a prime.

It is a super-2 number, since 2×1116307309² = 2492284016253642962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116307307) 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 7 ways as a sum of consecutive naturals, for example, 94099 + ... + 105295.

It is an arithmetic number, because the mean of its divisors is an integer number (150305155).

Almost surely, 2^1116307309 is an apocalyptic number.

It is an amenable number.

1116307309 is a deficient number, since it is larger than the sum of its proper divisors (86133931).

1116307309 is a wasteful number, since it uses less digits than its factorization.

1116307309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18879.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 1116307309 is about 33411.1853875315. The cubic root of 1116307309 is about 1037.3562377665.

The spelling of 1116307309 in words is "one billion, one hundred sixteen million, three hundred seven thousand, three hundred nine".