4120065 has 24 divisors (see below), whose sum is σ = 7408128. Its totient is φ = 2196720.

The previous prime is 4120033. The next prime is 4120079. The reversal of 4120065 is 5600214.

It is a happy number.

It is not a de Polignac number, because 4120065 - 2⁵ = 4120033 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 481 + ... + 2910.

It is an arithmetic number, because the mean of its divisors is an integer number (308672).

Almost surely, 2^4120065 is an apocalyptic number.

4120065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4120065 is a deficient number, since it is larger than the sum of its proper divisors (3288063).

4120065 is an equidigital number, since it uses as much as digits as its factorization.

4120065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411 (or 3399 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 4120065 is about 2029.7943245561. The cubic root of 4120065 is about 160.3127346873.

Adding to 4120065 its reverse (5600214), we get a palindrome (9720279).

The spelling of 4120065 in words is "four million, one hundred twenty thousand, sixty-five".