1000011009 has 8 divisors (see below), whose sum is σ = 1411780320. Its totient is φ = 627457856.

The previous prime is 1000011007. The next prime is 1000011011. The reversal of 1000011009 is 9001100001.

It is an interprime number because it is at equal distance from previous prime (1000011007) and next prime (1000011011).

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 1000011009 - 2¹ = 1000011007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000010985 and 1000011003.

It is not an unprimeable number, because it can be changed into a prime (1000011007) 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, 9803979 + ... + 9804080.

It is an arithmetic number, because the mean of its divisors is an integer number (176472540).

Almost surely, 2^1000011009 is an apocalyptic number.

It is an amenable number.

1000011009 is a deficient number, since it is larger than the sum of its proper divisors (411769311).

1000011009 is a wasteful number, since it uses less digits than its factorization.

1000011009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19608079.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 1000011009 is about 31622.9506687785. The cubic root of 1000011009 is about 1000.0036696532.

The spelling of 1000011009 in words is "one billion, eleven thousand, nine".