100560209 has 4 divisors (see below), whose sum is σ = 104932416. Its totient is φ = 96188004.

The previous prime is 100560199. The next prime is 100560221. The reversal of 100560209 is 902065001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100560209 - 2⁴ = 100560193 is a prime.

It is a super-2 number, since 2×100560209² = 20224711268247362, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 4372183 = 100560209 / (1 + 0 + 0 + 5 + 6 + 0 + 2 + 0 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100560259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186069 + ... + 2186114.

It is an arithmetic number, because the mean of its divisors is an integer number (26233104).

Almost surely, 2^100560209 is an apocalyptic number.

It is an amenable number.

100560209 is a deficient number, since it is larger than the sum of its proper divisors (4372207).

100560209 is an equidigital number, since it uses as much as digits as its factorization.

100560209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4372206.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 100560209 is about 10027.9713302342. The cubic root of 100560209 is about 465.0240231162.

The spelling of 100560209 in words is "one hundred million, five hundred sixty thousand, two hundred nine".