4120843 has 4 divisors (see below), whose sum is σ = 4126528. Its totient is φ = 4115160.

The previous prime is 4120829. The next prime is 4120847. The reversal of 4120843 is 3480214.

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 4120843 - 2⁹ = 4120331 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4120847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1563 + ... + 3268.

It is an arithmetic number, because the mean of its divisors is an integer number (1031632).

Almost surely, 2^4120843 is an apocalyptic number.

4120843 is a deficient number, since it is larger than the sum of its proper divisors (5685).

4120843 is an equidigital number, since it uses as much as digits as its factorization.

4120843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5684.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4120843 is about 2029.9859605426. The cubic root of 4120843 is about 160.3228247755.

The spelling of 4120843 in words is "four million, one hundred twenty thousand, eight hundred forty-three".