4091012 has 12 divisors (see below), whose sum is σ = 7177296. Its totient is φ = 2040360.

The previous prime is 4091011. The next prime is 4091047. The reversal of 4091012 is 2101904.

It is a happy number.

4091012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4091011) 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 3 ways as a sum of consecutive naturals, for example, 923 + ... + 3005.

It is an arithmetic number, because the mean of its divisors is an integer number (598108).

Almost surely, 2^4091012 is an apocalyptic number.

It is an amenable number.

4091012 is a deficient number, since it is larger than the sum of its proper divisors (3086284).

4091012 is a wasteful number, since it uses less digits than its factorization.

4091012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578 (or 2576 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 4091012 is about 2022.6250270379. The cubic root of 4091012 is about 159.9350257015.

Adding to 4091012 its reverse (2101904), we get a palindrome (6192916).

The spelling of 4091012 in words is "four million, ninety-one thousand, twelve".