104427209 has 8 divisors (see below), whose sum is σ = 113559048. Its totient is φ = 95627520.

The previous prime is 104427203. The next prime is 104427229. The reversal of 104427209 is 902724401.

It can be written as a sum of positive squares in 4 ways, for example, as 27040000 + 77387209 = 5200^2 + 8797^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104427209 - 2⁸ = 104426953 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104427203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82382 + ... + 83639.

It is an arithmetic number, because the mean of its divisors is an integer number (14194881).

Almost surely, 2^104427209 is an apocalyptic number.

It is an amenable number.

104427209 is a deficient number, since it is larger than the sum of its proper divisors (9131839).

104427209 is a wasteful number, since it uses less digits than its factorization.

104427209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166075.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 104427209 is about 10218.9632057269. The cubic root of 104427209 is about 470.9099753865.

The spelling of 104427209 in words is "one hundred four million, four hundred twenty-seven thousand, two hundred nine".