104205115 has 16 divisors (see below), whose sum is σ = 145828800. Its totient is φ = 71453760.

The previous prime is 104205113. The next prime is 104205131. The reversal of 104205115 is 511502401.

It is not a de Polignac number, because 104205115 - 2¹ = 104205113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104205092 and 104205101.

It is not an unprimeable number, because it can be changed into a prime (104205113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28666 + ... + 32095.

It is an arithmetic number, because the mean of its divisors is an integer number (9114300).

Almost surely, 2^104205115 is an apocalyptic number.

104205115 is a deficient number, since it is larger than the sum of its proper divisors (41623685).

104205115 is an frugal number, since it uses more digits than its factorization.

104205115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60787 (or 60773 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 104205115 is about 10208.0906637823. The cubic root of 104205115 is about 470.5758973466.

Adding to 104205115 its reverse (511502401), we get a palindrome (615707516).

The spelling of 104205115 in words is "one hundred four million, two hundred five thousand, one hundred fifteen".