811103 has 8 divisors (see below), whose sum is σ = 845376. Its totient is φ = 777600.

The previous prime is 811099. The next prime is 811123. The reversal of 811103 is 301118.

811103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 811103 - 2² = 811099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2858 + ... + 3128.

It is an arithmetic number, because the mean of its divisors is an integer number (105672).

2⁸¹¹¹⁰³ is an apocalyptic number.

811103 is a deficient number, since it is larger than the sum of its proper divisors (34273).

811103 is a wasteful number, since it uses less digits than its factorization.

811103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

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

The square root of 811103 is about 900.6125693105. The cubic root of 811103 is about 93.2592680546.

It can be divided in two parts, 8 and 11103, that added together give a palindrome (11111).

The spelling of 811103 in words is "eight hundred eleven thousand, one hundred three".