1010009209 has 8 divisors (see below), whose sum is σ = 1103999040. Its totient is φ = 916381200.

The previous prime is 1010009207. The next prime is 1010009213. The reversal of 1010009209 is 9029000101.

1010009209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1010009209 - 2¹ = 1010009207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1010009209.

It is not an unprimeable number, because it can be changed into a prime (1010009207) 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, 84597 + ... + 95794.

It is an arithmetic number, because the mean of its divisors is an integer number (137999880).

Almost surely, 2^1010009209 is an apocalyptic number.

It is an amenable number.

1010009209 is a deficient number, since it is larger than the sum of its proper divisors (93989831).

1010009209 is a wasteful number, since it uses less digits than its factorization.

1010009209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180911.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 1010009209 is about 31780.6420482658. The cubic root of 1010009209 is about 1003.3253329041.

The spelling of 1010009209 in words is "one billion, ten million, nine thousand, two hundred nine".