120549943 has 2 divisors, whose sum is σ = 120549944. Its totient is φ = 120549942.

The previous prime is 120549901. The next prime is 120549953. The reversal of 120549943 is 349945021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120549943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120549953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60274971 + 60274972.

It is an arithmetic number, because the mean of its divisors is an integer number (60274972).

Almost surely, 2^120549943 is an apocalyptic number.

120549943 is a deficient number, since it is larger than the sum of its proper divisors (1).

120549943 is an equidigital number, since it uses as much as digits as its factorization.

120549943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 120549943 is about 10979.5238057031. The cubic root of 120549943 is about 493.9947534506.

The spelling of 120549943 in words is "one hundred twenty million, five hundred forty-nine thousand, nine hundred forty-three".