118103 has 4 divisors (see below), whose sum is σ = 119520. Its totient is φ = 116688.

The previous prime is 118093. The next prime is 118127. The reversal of 118103 is 301811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301811 = 137 ⋅2203.

It is a cyclic number.

It is not a de Polignac number, because 118103 - 2¹⁴ = 101719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 118103.

It is not an unprimeable number, because it can be changed into a prime (118163) 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 3 ways as a sum of consecutive naturals, for example, 575 + ... + 752.

It is an arithmetic number, because the mean of its divisors is an integer number (29880).

2¹¹⁸¹⁰³ is an apocalyptic number.

118103 is a deficient number, since it is larger than the sum of its proper divisors (1417).

118103 is an equidigital number, since it uses as much as digits as its factorization.

118103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 118103 is about 343.6611703408. The cubic root of 118103 is about 49.0629483914.

Adding to 118103 its reverse (301811), we get a palindrome (419914).

The spelling of 118103 in words is "one hundred eighteen thousand, one hundred three".