1116243 has 12 divisors (see below), whose sum is σ = 1635400. Its totient is φ = 733536.

The previous prime is 1116229. The next prime is 1116257. The reversal of 1116243 is 3426111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1116229) and next prime (1116257).

It is not a de Polignac number, because 1116243 - 2⁸ = 1115987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193 + ... + 1506.

2^1116243 is an apocalyptic number.

1116243 is a deficient number, since it is larger than the sum of its proper divisors (519157).

1116243 is a wasteful number, since it uses less digits than its factorization.

1116243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778 (or 1775 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 1116243 is about 1056.5240177109. The cubic root of 1116243 is about 103.7336317140.

The spelling of 1116243 in words is "one million, one hundred sixteen thousand, two hundred forty-three".