104130685 has 4 divisors (see below), whose sum is σ = 124956828. Its totient is φ = 83304544.

The previous prime is 104130673. The next prime is 104130703. The reversal of 104130685 is 586031401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 15657849 + 88472836 = 3957^2 + 9406^2 .

It is a cyclic number.

It is not a de Polignac number, because 104130685 - 2¹¹ = 104128637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10413064 + ... + 10413073.

It is an arithmetic number, because the mean of its divisors is an integer number (31239207).

Almost surely, 2^104130685 is an apocalyptic number.

It is an amenable number.

104130685 is a deficient number, since it is larger than the sum of its proper divisors (20826143).

104130685 is an equidigital number, since it uses as much as digits as its factorization.

104130685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20826142.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 104130685 is about 10204.4443748790. Note that the first 3 decimals coincide. The cubic root of 104130685 is about 470.4638321299.

The spelling of 104130685 in words is "one hundred four million, one hundred thirty thousand, six hundred eighty-five".