120343043 has 2 divisors, whose sum is σ = 120343044. Its totient is φ = 120343042.

The previous prime is 120343033. The next prime is 120343049. The reversal of 120343043 is 340343021.

It is a strong prime.

It is an emirp because it is prime and its reverse (340343021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120343043 - 2¹⁸ = 120080899 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (120343049) 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, 60171521 + 60171522.

It is an arithmetic number, because the mean of its divisors is an integer number (60171522).

Almost surely, 2^120343043 is an apocalyptic number.

120343043 is a deficient number, since it is larger than the sum of its proper divisors (1).

120343043 is an equidigital number, since it uses as much as digits as its factorization.

120343043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 120343043 is about 10970.0976750437. The cubic root of 120343043 is about 493.7119770325.

Adding to 120343043 its reverse (340343021), we get a palindrome (460686064).

The spelling of 120343043 in words is "one hundred twenty million, three hundred forty-three thousand, forty-three".