1103803 has 2 divisors, whose sum is σ = 1103804. Its totient is φ = 1103802.

The previous prime is 1103797. The next prime is 1103849. The reversal of 1103803 is 3083011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103863) 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 as a sum of consecutive naturals, namely, 551901 + 551902.

It is an arithmetic number, because the mean of its divisors is an integer number (551902).

2^1103803 is an apocalyptic number.

1103803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103803 is an equidigital number, since it uses as much as digits as its factorization.

1103803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1103803 is about 1050.6202929698. The cubic root of 1103803 is about 103.3468371761.

Adding to 1103803 its reverse (3083011), we get a palindrome (4186814).

The spelling of 1103803 in words is "one million, one hundred three thousand, eight hundred three".