1114688665 has 4 divisors (see below), whose sum is σ = 1337626404. Its totient is φ = 891750928.

The previous prime is 1114688647. The next prime is 1114688683. The reversal of 1114688665 is 5668864111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1114688647) and next prime (1114688683).

It can be written as a sum of positive squares in 2 ways, for example, as 368524809 + 746163856 = 19197^2 + 27316^2 .

It is a cyclic number.

It is not a de Polignac number, because 1114688665 - 2²⁵ = 1081134233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 111468862 + ... + 111468871.

It is an arithmetic number, because the mean of its divisors is an integer number (334406601).

Almost surely, 2^1114688665 is an apocalyptic number.

It is an amenable number.

1114688665 is a deficient number, since it is larger than the sum of its proper divisors (222937739).

1114688665 is an equidigital number, since it uses as much as digits as its factorization.

1114688665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222937738.

The product of its digits is 276480, while the sum is 46.

The square root of 1114688665 is about 33386.9535148087. The cubic root of 1114688665 is about 1036.8546068804.

The spelling of 1114688665 in words is "one billion, one hundred fourteen million, six hundred eighty-eight thousand, six hundred sixty-five".