104500209 has 16 divisors (see below), whose sum is σ = 160001280. Its totient is φ = 59999760.

The previous prime is 104500183. The next prime is 104500213. The reversal of 104500209 is 902005401.

It is not a de Polignac number, because 104500209 - 2¹² = 104496113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104500229) 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, 82707 + ... + 83960.

It is an arithmetic number, because the mean of its divisors is an integer number (10000080).

Almost surely, 2^104500209 is an apocalyptic number.

104500209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

104500209 is a deficient number, since it is larger than the sum of its proper divisors (55501071).

104500209 is a wasteful number, since it uses less digits than its factorization.

104500209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166700.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 104500209 is about 10222.5343726495. The cubic root of 104500209 is about 471.0196799400.

The spelling of 104500209 in words is "one hundred four million, five hundred thousand, two hundred nine".