104306187 has 4 divisors (see below), whose sum is σ = 139074920. Its totient is φ = 69537456.

The previous prime is 104306179. The next prime is 104306221. The reversal of 104306187 is 781603401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 104306187 - 2³ = 104306179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104306107) 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, 17384362 + ... + 17384367.

It is an arithmetic number, because the mean of its divisors is an integer number (34768730).

Almost surely, 2^104306187 is an apocalyptic number.

104306187 is a deficient number, since it is larger than the sum of its proper divisors (34768733).

104306187 is an equidigital number, since it uses as much as digits as its factorization.

104306187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34768732.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 104306187 is about 10213.0400469204. The cubic root of 104306187 is about 470.7279905781.

Adding to 104306187 its reverse (781603401), we get a palindrome (885909588).

The spelling of 104306187 in words is "one hundred four million, three hundred six thousand, one hundred eighty-seven".