120209699 has 2 divisors, whose sum is σ = 120209700. Its totient is φ = 120209698.

The previous prime is 120209693. The next prime is 120209701. The reversal of 120209699 is 996902021.

It is a strong prime.

It is an emirp because it is prime and its reverse (996902021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120209699 is a prime.

It is a super-3 number, since 3×120209699³ (a number of 25 digits) contains 333 as substring.

Together with 120209701, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120209693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60104849 + 60104850.

It is an arithmetic number, because the mean of its divisors is an integer number (60104850).

Almost surely, 2^120209699 is an apocalyptic number.

120209699 is a deficient number, since it is larger than the sum of its proper divisors (1).

120209699 is an equidigital number, since it uses as much as digits as its factorization.

120209699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 120209699 is about 10964.0183783137. The cubic root of 120209699 is about 493.5295600063.

The spelling of 120209699 in words is "one hundred twenty million, two hundred nine thousand, six hundred ninety-nine".