818103 has 16 divisors (see below), whose sum is σ = 1282176. Its totient is φ = 457440.

The previous prime is 818101. The next prime is 818113. The reversal of 818103 is 301818.

It is a happy number.

818103 is nontrivially palindromic in base 12.

It is not a de Polignac number, because 818103 - 2¹ = 818101 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a zygodrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 818103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525 + ... + 1382.

It is an arithmetic number, because the mean of its divisors is an integer number (80136).

2⁸¹⁸¹⁰³ is an apocalyptic number.

818103 is a deficient number, since it is larger than the sum of its proper divisors (464073).

818103 is a wasteful number, since it uses less digits than its factorization.

818103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 818103 is about 904.4904642947. The cubic root of 818103 is about 93.5267827228.

The spelling of 818103 in words is "eight hundred eighteen thousand, one hundred three".