118502103 has 4 divisors (see below), whose sum is σ = 158002808. Its totient is φ = 79001400.

The previous prime is 118502099. The next prime is 118502129. The reversal of 118502103 is 301205811.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 118502103 - 2² = 118502099 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 118502103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118502143) 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 3 ways as a sum of consecutive naturals, for example, 19750348 + ... + 19750353.

It is an arithmetic number, because the mean of its divisors is an integer number (39500702).

Almost surely, 2^118502103 is an apocalyptic number.

118502103 is a deficient number, since it is larger than the sum of its proper divisors (39500705).

118502103 is an equidigital number, since it uses as much as digits as its factorization.

118502103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39500704.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 118502103 is about 10885.8671220992. The cubic root of 118502103 is about 491.1815205389.

Adding to 118502103 its reverse (301205811), we get a palindrome (419707914).

The spelling of 118502103 in words is "one hundred eighteen million, five hundred two thousand, one hundred three".