120543043 has 2 divisors, whose sum is σ = 120543044. Its totient is φ = 120543042.

The previous prime is 120543037. The next prime is 120543083. The reversal of 120543043 is 340345021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120543043 - 2¹⁷ = 120411971 is a prime.

It is not a weakly prime, because it can be changed into another prime (120543083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60271521 + 60271522.

It is an arithmetic number, because the mean of its divisors is an integer number (60271522).

Almost surely, 2^120543043 is an apocalyptic number.

120543043 is a deficient number, since it is larger than the sum of its proper divisors (1).

120543043 is an equidigital number, since it uses as much as digits as its factorization.

120543043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 120543043 is about 10979.2095799288. The cubic root of 120543043 is about 493.9853282316.

Adding to 120543043 its reverse (340345021), we get a palindrome (460888064).

It can be divided in two parts, 1205 and 43043, that multiplied together give a palindrome (51866815).

The spelling of 120543043 in words is "one hundred twenty million, five hundred forty-three thousand, forty-three".