103039 has 4 divisors (see below), whose sum is σ = 103824. Its totient is φ = 102256.

The previous prime is 103007. The next prime is 103043. The reversal of 103039 is 930301.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 103039 - 2⁵ = 103007 is a prime.

It is a Duffinian number.

103039 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142 + ... + 475.

It is an arithmetic number, because the mean of its divisors is an integer number (25956).

2¹⁰³⁰³⁹ is an apocalyptic number.

103039 is a deficient number, since it is larger than the sum of its proper divisors (785).

103039 is an equidigital number, since it uses as much as digits as its factorization.

103039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 103039 is about 320.9968847201. The cubic root of 103039 is about 46.8813970529.

The spelling of 103039 in words is "one hundred three thousand, thirty-nine".