1116099 has 14 divisors (see below), whose sum is σ = 1674476. Its totient is φ = 743580.

The previous prime is 1116091. The next prime is 1116107. The reversal of 1116099 is 9906111.

It is an interprime number because it is at equal distance from previous prime (1116091) and next prime (1116107).

It is not a de Polignac number, because 1116099 - 2³ = 1116091 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116091) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 37 + ... + 1494.

2^1116099 is an apocalyptic number.

1116099 is a deficient number, since it is larger than the sum of its proper divisors (558377).

1116099 is an frugal number, since it uses more digits than its factorization.

1116099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549 (or 1534 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 27.

The square root of 1116099 is about 1056.4558675117. The cubic root of 1116099 is about 103.7291708319.

It can be divided in two parts, 11 and 16099, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 1116099 in words is "one million, one hundred sixteen thousand, ninety-nine".