4012144 has 20 divisors (see below), whose sum is σ = 8025280. Its totient is φ = 1941120.

The previous prime is 4012133. The next prime is 4012147. The reversal of 4012144 is 4412104.

4012144 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

4012144 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012147) 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, 3549 + ... + 4540.

It is an arithmetic number, because the mean of its divisors is an integer number (401264).

Almost surely, 2^4012144 is an apocalyptic number.

It is an amenable number.

4012144 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4012144 is a wasteful number, since it uses less digits than its factorization.

4012144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8128 (or 8122 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 4012144 is about 2003.0336991673. The cubic root of 4012144 is about 158.9005878842.

Adding to 4012144 its reverse (4412104), we get a palindrome (8424248).

The spelling of 4012144 in words is "four million, twelve thousand, one hundred forty-four".