103899403 has 2 divisors, whose sum is σ = 103899404. Its totient is φ = 103899402.

The previous prime is 103899377. The next prime is 103899421. The reversal of 103899403 is 304998301.

It is a strong prime.

It is an emirp because it is prime and its reverse (304998301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103899403 - 2¹³ = 103891211 is a prime.

It is not a weakly prime, because it can be changed into another prime (103899443) 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 as a sum of consecutive naturals, namely, 51949701 + 51949702.

It is an arithmetic number, because the mean of its divisors is an integer number (51949702).

Almost surely, 2^103899403 is an apocalyptic number.

103899403 is a deficient number, since it is larger than the sum of its proper divisors (1).

103899403 is an equidigital number, since it uses as much as digits as its factorization.

103899403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 103899403 is about 10193.1056601999. The cubic root of 103899403 is about 470.1152622093.

The spelling of 103899403 in words is "one hundred three million, eight hundred ninety-nine thousand, four hundred three".