120605943 has 4 divisors (see below), whose sum is σ = 160807928. Its totient is φ = 80403960.

The previous prime is 120605941. The next prime is 120605957. The reversal of 120605943 is 349506021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120605943 - 2¹ = 120605941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120605943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120605941) 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, 20100988 + ... + 20100993.

It is an arithmetic number, because the mean of its divisors is an integer number (40201982).

Almost surely, 2^120605943 is an apocalyptic number.

120605943 is a deficient number, since it is larger than the sum of its proper divisors (40201985).

120605943 is an equidigital number, since it uses as much as digits as its factorization.

120605943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40201984.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 120605943 is about 10982.0737112806. The cubic root of 120605943 is about 494.0712346804.

The spelling of 120605943 in words is "one hundred twenty million, six hundred five thousand, nine hundred forty-three".