10200009 has 8 divisors (see below), whose sum is σ = 13856832. Its totient is φ = 6671600.

The previous prime is 10200007. The next prime is 10200011. The reversal of 10200009 is 90000201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10200007) and next prime (10200011).

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 10200009 - 2¹ = 10200007 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10199967 and 10200003.

It is not an unprimeable number, because it can be changed into a prime (10200007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31917 + ... + 32234.

It is an arithmetic number, because the mean of its divisors is an integer number (1732104).

Almost surely, 2^10200009 is an apocalyptic number.

It is an amenable number.

10200009 is a deficient number, since it is larger than the sum of its proper divisors (3656823).

10200009 is an equidigital number, since it uses as much as digits as its factorization.

10200009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64207.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 10200009 is about 3193.7452935386. The cubic root of 10200009 is about 216.8703523104.

The spelling of 10200009 in words is "ten million, two hundred thousand, nine".