104003191 has 2 divisors, whose sum is σ = 104003192. Its totient is φ = 104003190.

The previous prime is 104003177. The next prime is 104003219. The reversal of 104003191 is 191300401.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (191300401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104003191 - 2¹¹ = 104001143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104003491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52001595 + 52001596.

It is an arithmetic number, because the mean of its divisors is an integer number (52001596).

Almost surely, 2^104003191 is an apocalyptic number.

104003191 is a deficient number, since it is larger than the sum of its proper divisors (1).

104003191 is an equidigital number, since it uses as much as digits as its factorization.

104003191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 104003191 is about 10198.1954776323. The cubic root of 104003191 is about 470.2717471802.

Adding to 104003191 its reverse (191300401), we get a palindrome (295303592).

The spelling of 104003191 in words is "one hundred four million, three thousand, one hundred ninety-one".