104215305 has 16 divisors (see below), whose sum is σ = 167587200. Its totient is φ = 55300608.

The previous prime is 104215303. The next prime is 104215333. The reversal of 104215305 is 503512401.

It is not a de Polignac number, because 104215305 - 2¹ = 104215303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104215303) 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, 14472 + ... + 20441.

It is an arithmetic number, because the mean of its divisors is an integer number (10474200).

Almost surely, 2^104215305 is an apocalyptic number.

104215305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104215305 is a deficient number, since it is larger than the sum of its proper divisors (63371895).

104215305 is a wasteful number, since it uses less digits than its factorization.

104215305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35120.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 104215305 is about 10208.5897654867. The cubic root of 104215305 is about 470.5912357238.

Adding to 104215305 its reverse (503512401), we get a palindrome (607727706).

The spelling of 104215305 in words is "one hundred four million, two hundred fifteen thousand, three hundred five".