104390903 has 2 divisors, whose sum is σ = 104390904. Its totient is φ = 104390902.

The previous prime is 104390899. The next prime is 104390911. The reversal of 104390903 is 309093401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104390903 - 2² = 104390899 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104390963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52195451 + 52195452.

It is an arithmetic number, because the mean of its divisors is an integer number (52195452).

Almost surely, 2^104390903 is an apocalyptic number.

104390903 is a deficient number, since it is larger than the sum of its proper divisors (1).

104390903 is an equidigital number, since it uses as much as digits as its factorization.

104390903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 104390903 is about 10217.1866479966. The cubic root of 104390903 is about 470.8553956161.

The spelling of 104390903 in words is "one hundred four million, three hundred ninety thousand, nine hundred three".