1118383203 has 12 divisors (see below), whose sum is σ = 1734635400. Its totient is φ = 639076032.

The previous prime is 1118383183. The next prime is 1118383213. The reversal of 1118383203 is 3023838111.

It is not a de Polignac number, because 1118383203 - 2¹² = 1118379107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1118383213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3803878 + ... + 3804171.

It is an arithmetic number, because the mean of its divisors is an integer number (144552950).

Almost surely, 2^1118383203 is an apocalyptic number.

1118383203 is a deficient number, since it is larger than the sum of its proper divisors (616252197).

1118383203 is an equidigital number, since it uses as much as digits as its factorization.

1118383203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7608066 (or 7608059 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1118383203 is about 33442.2368121512. The cubic root of 1118383203 is about 1037.9988649050.

The spelling of 1118383203 in words is "one billion, one hundred eighteen million, three hundred eighty-three thousand, two hundred three".