1103000209 has 2 divisors, whose sum is σ = 1103000210. Its totient is φ = 1103000208.

The previous prime is 1103000161. The next prime is 1103000233. The reversal of 1103000209 is 9020003011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1006665984 + 96334225 = 31728^2 + 9815^2 .

It is an emirp because it is prime and its reverse (9020003011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1103000209 - 2²⁵ = 1069445777 is a prime.

It is a super-2 number, since 2×1103000209² = 2433218922108087362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1103000192 and 1103000201.

It is not a weakly prime, because it can be changed into another prime (1103000279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551500104 + 551500105.

It is an arithmetic number, because the mean of its divisors is an integer number (551500105).

Almost surely, 2^1103000209 is an apocalyptic number.

It is an amenable number.

1103000209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103000209 is an equidigital number, since it uses as much as digits as its factorization.

1103000209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1103000209 is about 33211.4469573369. The cubic root of 1103000209 is about 1033.2177653503.

The spelling of 1103000209 in words is "one billion, one hundred three million, two hundred nine", and thus it is an aban number.