1120009 has 8 divisors (see below), whose sum is σ = 1264320. Its totient is φ = 982800.

The previous prime is 1120001. The next prime is 1120019. The reversal of 1120009 is 9000211.

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

It is a cyclic number.

It is not a de Polignac number, because 1120009 - 2³ = 1120001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120001) 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, 1437 + ... + 2074.

It is an arithmetic number, because the mean of its divisors is an integer number (158040).

2^1120009 is an apocalyptic number.

It is an amenable number.

1120009 is a deficient number, since it is larger than the sum of its proper divisors (144311).

1120009 is a wasteful number, since it uses less digits than its factorization.

1120009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1120009 is about 1058.3047765176. The cubic root of 1120009 is about 103.8501602056.

The spelling of 1120009 in words is "one million, one hundred twenty thousand, nine".