120000209 has 8 divisors (see below), whose sum is σ = 137428608. Its totient is φ = 102643200.

The previous prime is 120000203. The next prime is 120000217. The reversal of 120000209 is 902000021.

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 120000209 - 2⁴ = 120000193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120000193 and 120000202.

It is not an unprimeable number, because it can be changed into a prime (120000203) 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, 14192 + ... + 21009.

It is an arithmetic number, because the mean of its divisors is an integer number (17178576).

Almost surely, 2^120000209 is an apocalyptic number.

It is an amenable number.

120000209 is a deficient number, since it is larger than the sum of its proper divisors (17428399).

120000209 is an equidigital number, since it uses as much as digits as its factorization.

120000209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35695.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 120000209 is about 10954.4606896004. The cubic root of 120000209 is about 493.2427012206.

The spelling of 120000209 in words is "one hundred twenty million, two hundred nine", and thus it is an aban number.