1116399 has 8 divisors (see below), whose sum is σ = 1496880. Its totient is φ = 740096.

The previous prime is 1116371. The next prime is 1116419. The reversal of 1116399 is 9936111.

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 1116399 - 2¹³ = 1108207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116319) 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, 354 + ... + 1535.

It is an arithmetic number, because the mean of its divisors is an integer number (187110).

2^1116399 is an apocalyptic number.

1116399 is a deficient number, since it is larger than the sum of its proper divisors (380481).

1116399 is a wasteful number, since it uses less digits than its factorization.

1116399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089.

The product of its digits is 1458, while the sum is 30.

The square root of 1116399 is about 1056.5978421329. The cubic root of 1116399 is about 103.7384639034.

The spelling of 1116399 in words is "one million, one hundred sixteen thousand, three hundred ninety-nine".