102803 has 4 divisors (see below), whose sum is σ = 103488. Its totient is φ = 102120.

The previous prime is 102797. The next prime is 102811. The reversal of 102803 is 308201.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 308201 = 311 ⋅991.

It is a cyclic number.

It is not a de Polignac number, because 102803 - 2⁸ = 102547 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 102803.

It is not an unprimeable number, because it can be changed into a prime (102103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8 + ... + 453.

It is an arithmetic number, because the mean of its divisors is an integer number (25872).

2¹⁰²⁸⁰³ is an apocalyptic number.

102803 is a deficient number, since it is larger than the sum of its proper divisors (685).

102803 is an equidigital number, since it uses as much as digits as its factorization.

102803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 102803 is about 320.6290691750. The cubic root of 102803 is about 46.8455773877.

The spelling of 102803 in words is "one hundred two thousand, eight hundred three".