104000005 has 8 divisors (see below), whose sum is σ = 126087192. Its totient is φ = 82341888.

The previous prime is 103999991. The next prime is 104000011. The reversal of 104000005 is 500000401.

It can be written as a sum of positive squares in 4 ways, for example, as 40271716 + 63728289 = 6346^2 + 7983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104000005 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103999955 and 104000000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106732 + ... + 107701.

It is an arithmetic number, because the mean of its divisors is an integer number (15760899).

Almost surely, 2^104000005 is an apocalyptic number.

It is an amenable number.

104000005 is a deficient number, since it is larger than the sum of its proper divisors (22087187).

104000005 is an equidigital number, since it uses as much as digits as its factorization.

104000005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214535.

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 104000005 is about 10198.0392723307. The cubic root of 104000005 is about 470.2669450805.

Adding to 104000005 its reverse (500000401), we get a palindrome (604000406).

The spelling of 104000005 in words is "one hundred four million, five", and thus it is an aban number.