120068609 has 2 divisors, whose sum is σ = 120068610. Its totient is φ = 120068608.

The previous prime is 120068587. The next prime is 120068629. The reversal of 120068609 is 906860021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76177984 + 43890625 = 8728^2 + 6625^2 .

It is an emirp because it is prime and its reverse (906860021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120068609 is a prime.

It is not a weakly prime, because it can be changed into another prime (120068629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60034304 + 60034305.

It is an arithmetic number, because the mean of its divisors is an integer number (60034305).

Almost surely, 2^120068609 is an apocalyptic number.

It is an amenable number.

120068609 is a deficient number, since it is larger than the sum of its proper divisors (1).

120068609 is an equidigital number, since it uses as much as digits as its factorization.

120068609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 120068609 is about 10957.5822606997. The cubic root of 120068609 is about 493.3363993702.

The spelling of 120068609 in words is "one hundred twenty million, sixty-eight thousand, six hundred nine".