104240505 has 16 divisors (see below), whose sum is σ = 167080320. Its totient is φ = 55496448.

The previous prime is 104240497. The next prime is 104240519. The reversal of 104240505 is 505042401.

It is not a de Polignac number, because 104240505 - 2³ = 104240497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3036 + ... + 14754.

It is an arithmetic number, because the mean of its divisors is an integer number (10442520).

Almost surely, 2^104240505 is an apocalyptic number.

104240505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104240505 is a deficient number, since it is larger than the sum of its proper divisors (62839815).

104240505 is a wasteful number, since it uses less digits than its factorization.

104240505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12320.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 104240505 is about 10209.8239455928. The cubic root of 104240505 is about 470.6291634332.

Adding to 104240505 its reverse (505042401), we get a palindrome (609282906).

The spelling of 104240505 in words is "one hundred four million, two hundred forty thousand, five hundred five".