1118103 has 16 divisors (see below), whose sum is σ = 1751040. Its totient is φ = 621216.

The previous prime is 1118101. The next prime is 1118113. The reversal of 1118103 is 3018111.

It is not a de Polignac number, because 1118103 - 2¹ = 1118101 is a prime.

1118103 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118101) 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 15 ways as a sum of consecutive naturals, for example, 58 + ... + 1496.

It is an arithmetic number, because the mean of its divisors is an integer number (109440).

2^1118103 is an apocalyptic number.

1118103 is a deficient number, since it is larger than the sum of its proper divisors (632937).

1118103 is a wasteful number, since it uses less digits than its factorization.

1118103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1118103 is about 1057.4038963424. The cubic root of 1118103 is about 103.7912169907.

It can be divided in two parts, 1118 and 103, that added together give a palindrome (1221).

The spelling of 1118103 in words is "one million, one hundred eighteen thousand, one hundred three".