4105120609 has 2 divisors, whose sum is σ = 4105120610. Its totient is φ = 4105120608.

The previous prime is 4105120597. The next prime is 4105120631. The reversal of 4105120609 is 9060215014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2444313600 + 1660807009 = 49440^2 + 40753^2 .

It is a cyclic number.

It is not a de Polignac number, because 4105120609 - 2¹⁵ = 4105087841 is a prime.

It is not a weakly prime, because it can be changed into another prime (4105100609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2052560304 + 2052560305.

It is an arithmetic number, because the mean of its divisors is an integer number (2052560305).

Almost surely, 2^4105120609 is an apocalyptic number.

It is an amenable number.

4105120609 is a deficient number, since it is larger than the sum of its proper divisors (1).

4105120609 is an equidigital number, since it uses as much as digits as its factorization.

4105120609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 4105120609 is about 64071.2151359719. The cubic root of 4105120609 is about 1601.1866989203.

The spelling of 4105120609 in words is "four billion, one hundred five million, one hundred twenty thousand, six hundred nine".