1108009 has 8 divisors (see below), whose sum is σ = 1340928. Its totient is φ = 893760.

The previous prime is 1108007. The next prime is 1108021. The reversal of 1108009 is 9008011.

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

It is not a de Polignac number, because 1108009 - 2¹ = 1108007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1108001) 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, 4537 + ... + 4774.

It is an arithmetic number, because the mean of its divisors is an integer number (167616).

2^1108009 is an apocalyptic number.

It is an amenable number.

1108009 is a deficient number, since it is larger than the sum of its proper divisors (232919).

1108009 is an equidigital number, since it uses as much as digits as its factorization.

1108009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9335.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1108009 is about 1052.6200644107. The cubic root of 1108009 is about 103.4779372174.

The spelling of 1108009 in words is "one million, one hundred eight thousand, nine".