4012165 has 8 divisors (see below), whose sum is σ = 4838688. Its totient is φ = 3193680.

The previous prime is 4012163. The next prime is 4012171. The reversal of 4012165 is 5612104.

4012165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4012165 - 2¹ = 4012163 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 (4012163) 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 in 7 ways as a sum of consecutive naturals, for example, 847 + ... + 2956.

It is an arithmetic number, because the mean of its divisors is an integer number (604836).

Almost surely, 2^4012165 is an apocalyptic number.

It is an amenable number.

4012165 is a deficient number, since it is larger than the sum of its proper divisors (826523).

4012165 is a wasteful number, since it uses less digits than its factorization.

4012165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 4012165 is about 2003.0389412091. The cubic root of 4012165 is about 158.9008651181.

Adding to 4012165 its reverse (5612104), we get a palindrome (9624269).

It can be divided in two parts, 40121 and 65, that added together give a triangular number (40186 = T₂₈₃).

The spelling of 4012165 in words is "four million, twelve thousand, one hundred sixty-five".