104189 has 4 divisors (see below), whose sum is σ = 106656. Its totient is φ = 101724.

The previous prime is 104183. The next prime is 104207. The reversal of 104189 is 981401.

104189 = T₄₇ + T₄₈ + ... + T₈₉.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 981401 = 53 ⋅18517.

It is a cyclic number.

It is not a de Polignac number, because 104189 - 2⁴ = 104173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 104189.

It is not an unprimeable number, because it can be changed into a prime (104183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1169 + ... + 1254.

It is an arithmetic number, because the mean of its divisors is an integer number (26664).

2¹⁰⁴¹⁸⁹ is an apocalyptic number.

It is an amenable number.

104189 is a deficient number, since it is larger than the sum of its proper divisors (2467).

104189 is an equidigital number, since it uses as much as digits as its factorization.

104189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 104189 is about 322.7832089809. The cubic root of 104189 is about 47.0551638392.

The spelling of 104189 in words is "one hundred four thousand, one hundred eighty-nine".