120943 has 2 divisors, whose sum is σ = 120944. Its totient is φ = 120942.

The previous prime is 120941. The next prime is 120947. The reversal of 120943 is 349021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120943 - 2¹ = 120941 is a prime.

Together with 120941, it forms a pair of twin primes.

120943 is a lucky number.

It is equal to p₁₁₃₈₆ and since 120943 and 11386 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120941) 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 as a sum of consecutive naturals, namely, 60471 + 60472.

It is an arithmetic number, because the mean of its divisors is an integer number (60472).

2¹²⁰⁹⁴³ is an apocalyptic number.

120943 is a deficient number, since it is larger than the sum of its proper divisors (1).

120943 is an equidigital number, since it uses as much as digits as its factorization.

120943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 120943 is about 347.7686012279. The cubic root of 120943 is about 49.4531066290.

Adding to 120943 its reverse (349021), we get a palindrome (469964).

The spelling of 120943 in words is "one hundred twenty thousand, nine hundred forty-three".