1103009 has 2 divisors, whose sum is σ = 1103010. Its totient is φ = 1103008.

The previous prime is 1102999. The next prime is 1103017. The reversal of 1103009 is 9003011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1056784 + 46225 = 1028^2 + 215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102984 and 1103002.

It is not a weakly prime, because it can be changed into another prime (1103029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551504 + 551505.

It is an arithmetic number, because the mean of its divisors is an integer number (551505).

2^1103009 is an apocalyptic number.

It is an amenable number.

1103009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103009 is an equidigital number, since it uses as much as digits as its factorization.

1103009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1103009 is about 1050.2423529833. The cubic root of 1103009 is about 103.3220510286.

The spelling of 1103009 in words is "one million, one hundred three thousand, nine".