1106009 has 4 divisors (see below), whose sum is σ = 1164240. Its totient is φ = 1047780.

The previous prime is 1105999. The next prime is 1106029. The reversal of 1106009 is 9006011.

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 a de Polignac number, because none of the positive numbers 2^k-1106009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1106029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29087 + ... + 29124.

It is an arithmetic number, because the mean of its divisors is an integer number (291060).

2^1106009 is an apocalyptic number.

1106009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1106009 is a deficient number, since it is larger than the sum of its proper divisors (58231).

1106009 is an equidigital number, since it uses as much as digits as its factorization.

1106009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58230.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 1106009 is about 1051.6696249298. The cubic root of 1106009 is about 103.4156391311.

The spelling of 1106009 in words is "one million, one hundred six thousand, nine".