4121165 has 4 divisors (see below), whose sum is σ = 4945404. Its totient is φ = 3296928.

The previous prime is 4121153. The next prime is 4121167. The reversal of 4121165 is 5611214.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1069156 + 3052009 = 1034^2 + 1747^2 .

It is a cyclic number.

It is not a de Polignac number, because 4121165 - 2⁴ = 4121149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412112 + ... + 412121.

It is an arithmetic number, because the mean of its divisors is an integer number (1236351).

Almost surely, 2^4121165 is an apocalyptic number.

It is an amenable number.

4121165 is a deficient number, since it is larger than the sum of its proper divisors (824239).

4121165 is an equidigital number, since it uses as much as digits as its factorization.

4121165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824238.

The product of its digits is 240, while the sum is 20.

The square root of 4121165 is about 2030.0652698867. The cubic root of 4121165 is about 160.3270005072.

Adding to 4121165 its reverse (5611214), we get a palindrome (9732379).

The spelling of 4121165 in words is "four million, one hundred twenty-one thousand, one hundred sixty-five".