4120709 has 2 divisors, whose sum is σ = 4120710. Its totient is φ = 4120708.

The previous prime is 4120679. The next prime is 4120723. The reversal of 4120709 is 9070214.

4120709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3319684 + 801025 = 1822^2 + 895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4120709 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4120729) 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, 2060354 + 2060355.

It is an arithmetic number, because the mean of its divisors is an integer number (2060355).

Almost surely, 2^4120709 is an apocalyptic number.

It is an amenable number.

4120709 is a deficient number, since it is larger than the sum of its proper divisors (1).

4120709 is an equidigital number, since it uses as much as digits as its factorization.

4120709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 4120709 is about 2029.9529551199. The cubic root of 4120709 is about 160.3210869845.

The spelling of 4120709 in words is "four million, one hundred twenty thousand, seven hundred nine".