201080009 has 8 divisors (see below), whose sum is σ = 216710592. Its totient is φ = 185472720.

The previous prime is 201080003. The next prime is 201080027. The reversal of 201080009 is 900080102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201080009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201080003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14852 + ... + 24954.

It is an arithmetic number, because the mean of its divisors is an integer number (27088824).

Almost surely, 2^201080009 is an apocalyptic number.

It is an amenable number.

201080009 is a deficient number, since it is larger than the sum of its proper divisors (15630583).

201080009 is a wasteful number, since it uses less digits than its factorization.

201080009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11647.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 201080009 is about 14180.2682978849. The cubic root of 201080009 is about 585.8543136694.

The spelling of 201080009 in words is "two hundred one million, eighty thousand, nine".