104020189 has 24 divisors (see below), whose sum is σ = 132496728. Its totient is φ = 80922240.

The previous prime is 104020177. The next prime is 104020199. The reversal of 104020189 is 981020401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17994564 + 86025625 = 4242^2 + 9275^2 .

It is not a de Polignac number, because 104020189 - 2¹⁹ = 103495901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104020199) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37519 + ... + 40195.

It is an arithmetic number, because the mean of its divisors is an integer number (5520697).

Almost surely, 2^104020189 is an apocalyptic number.

It is an amenable number.

104020189 is a deficient number, since it is larger than the sum of its proper divisors (28476539).

104020189 is a wasteful number, since it uses less digits than its factorization.

104020189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765 (or 2758 counting only the distinct ones).

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

The square root of 104020189 is about 10199.0288263148. The cubic root of 104020189 is about 470.2973657650.

The spelling of 104020189 in words is "one hundred four million, twenty thousand, one hundred eighty-nine".