1116869 has 8 divisors (see below), whose sum is σ = 1226232. Its totient is φ = 1010880.

The previous prime is 1116859. The next prime is 1116887. The reversal of 1116869 is 9686111.

It can be written as a sum of positive squares in 4 ways, for example, as 214369 + 902500 = 463^2 + 950^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1116869 - 2⁴ = 1116853 is a prime.

It is a super-2 number, since 2×1116869² = 2494792726322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122 + ... + 1499.

It is an arithmetic number, because the mean of its divisors is an integer number (153279).

2^1116869 is an apocalyptic number.

It is an amenable number.

1116869 is a deficient number, since it is larger than the sum of its proper divisors (109363).

1116869 is a wasteful number, since it uses less digits than its factorization.

1116869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687.

The product of its digits is 2592, while the sum is 32.

The square root of 1116869 is about 1056.8202306921. The cubic root of 1116869 is about 103.7530197021.

The spelling of 1116869 in words is "one million, one hundred sixteen thousand, eight hundred sixty-nine".