104002189 has 2 divisors, whose sum is σ = 104002190. Its totient is φ = 104002188.

The previous prime is 104002187. The next prime is 104002201. The reversal of 104002189 is 981200401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92833225 + 11168964 = 9635^2 + 3342^2 .

It is a cyclic number.

It is not a de Polignac number, because 104002189 - 2¹ = 104002187 is a prime.

Together with 104002187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104002187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52001094 + 52001095.

It is an arithmetic number, because the mean of its divisors is an integer number (52001095).

Almost surely, 2^104002189 is an apocalyptic number.

It is an amenable number.

104002189 is a deficient number, since it is larger than the sum of its proper divisors (1).

104002189 is an equidigital number, since it uses as much as digits as its factorization.

104002189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 104002189 is about 10198.1463511758. The cubic root of 104002189 is about 470.2702369259.

The spelling of 104002189 in words is "one hundred four million, two thousand, one hundred eighty-nine".