120342317 has 2 divisors, whose sum is σ = 120342318. Its totient is φ = 120342316.

The previous prime is 120342301. The next prime is 120342323. The reversal of 120342317 is 713243021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99420841 + 20921476 = 9971^2 + 4574^2 .

It is a cyclic number.

It is not a de Polignac number, because 120342317 - 2⁴ = 120342301 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 120342292 and 120342301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120342347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60171158 + 60171159.

It is an arithmetic number, because the mean of its divisors is an integer number (60171159).

Almost surely, 2^120342317 is an apocalyptic number.

It is an amenable number.

120342317 is a deficient number, since it is larger than the sum of its proper divisors (1).

120342317 is an equidigital number, since it uses as much as digits as its factorization.

120342317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 120342317 is about 10970.0645850423. The cubic root of 120342317 is about 493.7109842161.

Adding to 120342317 its reverse (713243021), we get a palindrome (833585338).

The spelling of 120342317 in words is "one hundred twenty million, three hundred forty-two thousand, three hundred seventeen".