4120040143 has 4 divisors (see below), whose sum is σ = 4123529928. Its totient is φ = 4116550360.

The previous prime is 4120040129. The next prime is 4120040149. The reversal of 4120040143 is 3410400214.

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

It is a cyclic number.

It is not a de Polignac number, because 4120040143 - 2⁹ = 4120039631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4120040143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120040149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1743121 + ... + 1745482.

It is an arithmetic number, because the mean of its divisors is an integer number (1030882482).

Almost surely, 2^4120040143 is an apocalyptic number.

4120040143 is a deficient number, since it is larger than the sum of its proper divisors (3489785).

4120040143 is a wasteful number, since it uses less digits than its factorization.

4120040143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3489784.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 4120040143 is about 64187.5388451684. The cubic root of 4120040143 is about 1603.1241228929.

Adding to 4120040143 its reverse (3410400214), we get a palindrome (7530440357).

The spelling of 4120040143 in words is "four billion, one hundred twenty million, forty thousand, one hundred forty-three".