120003209 has 2 divisors, whose sum is σ = 120003210. Its totient is φ = 120003208.

The previous prime is 120003197. The next prime is 120003229. The reversal of 120003209 is 902300021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77492809 + 42510400 = 8803^2 + 6520^2 .

It is a cyclic number.

It is not a de Polignac number, because 120003209 - 2⁴ = 120003193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120003229) 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 as a sum of consecutive naturals, namely, 60001604 + 60001605.

It is an arithmetic number, because the mean of its divisors is an integer number (60001605).

Almost surely, 2^120003209 is an apocalyptic number.

It is an amenable number.

120003209 is a deficient number, since it is larger than the sum of its proper divisors (1).

120003209 is an equidigital number, since it uses as much as digits as its factorization.

120003209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 120003209 is about 10954.5976192647. The cubic root of 120003209 is about 493.2468115350.

The spelling of 120003209 in words is "one hundred twenty million, three thousand, two hundred nine".