104515205 has 16 divisors (see below), whose sum is σ = 128199024. Its totient is φ = 81768960.

The previous prime is 104515189. The next prime is 104515207. The reversal of 104515205 is 502515401.

104515205 = 940² + 941² + ... + 1045².

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5476 + 104509729 = 74^2 + 10223^2 .

It is not a de Polignac number, because 104515205 - 2⁴ = 104515189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104515207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137687 + ... + 138443.

It is an arithmetic number, because the mean of its divisors is an integer number (8012439).

Almost surely, 2^104515205 is an apocalyptic number.

It is an amenable number.

104515205 is a deficient number, since it is larger than the sum of its proper divisors (23683819).

104515205 is an equidigital number, since it uses as much as digits as its factorization.

104515205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 104515205 is about 10223.2678239397. The cubic root of 104515205 is about 471.0422096343.

The spelling of 104515205 in words is "one hundred four million, five hundred fifteen thousand, two hundred five".