1118043 has 24 divisors (see below), whose sum is σ = 1729728. Its totient is φ = 721224.

The previous prime is 1118041. The next prime is 1118063. The reversal of 1118043 is 3408111.

It is not a de Polignac number, because 1118043 - 2¹ = 1118041 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1118041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10396 + ... + 10502.

It is an arithmetic number, because the mean of its divisors is an integer number (72072).

2^1118043 is an apocalyptic number.

1118043 is a deficient number, since it is larger than the sum of its proper divisors (611685).

1118043 is an equidigital number, since it uses as much as digits as its factorization.

1118043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1118043 is about 1057.3755245891. The cubic root of 1118043 is about 103.7893603983.

The spelling of 1118043 in words is "one million, one hundred eighteen thousand, forty-three".