103903 has 2 divisors, whose sum is σ = 103904. Its totient is φ = 103902.

The previous prime is 103889. The next prime is 103913. The reversal of 103903 is 309301.

It is a happy number.

103903 is nontrivially palindromic in base 3.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103903 - 2⁹ = 103391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103913) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51951 + 51952.

It is an arithmetic number, because the mean of its divisors is an integer number (51952).

2¹⁰³⁹⁰³ is an apocalyptic number.

103903 is a deficient number, since it is larger than the sum of its proper divisors (1).

103903 is an equidigital number, since it uses as much as digits as its factorization.

103903 is an evil number, because the sum of its binary digits is even.

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

The square root of 103903 is about 322.3398827325. The cubic root of 103903 is about 47.0120687281.

The spelling of 103903 in words is "one hundred three thousand, nine hundred three".