1116003 has 16 divisors (see below), whose sum is σ = 1790720. Its totient is φ = 603936.

The previous prime is 1116001. The next prime is 1116053. The reversal of 1116003 is 3006111.

It is not a de Polignac number, because 1116003 - 2¹ = 1116001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1116003.

It is not an unprimeable number, because it can be changed into a prime (1116001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1000 + ... + 1797.

It is an arithmetic number, because the mean of its divisors is an integer number (111920).

2^1116003 is an apocalyptic number.

1116003 is a deficient number, since it is larger than the sum of its proper divisors (674717).

1116003 is a wasteful number, since it uses less digits than its factorization.

1116003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2826.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1116003 is about 1056.4104316032. The cubic root of 1116003 is about 103.7261966973.

The spelling of 1116003 in words is "one million, one hundred sixteen thousand, three".