320120142 has 8 divisors (see below), whose sum is σ = 640240296. Its totient is φ = 106706712.

The previous prime is 320120123. The next prime is 320120147. The reversal of 320120142 is 241021023.

320120142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

320120142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320120147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26676673 + ... + 26676684.

It is an arithmetic number, because the mean of its divisors is an integer number (80030037).

Almost surely, 2^320120142 is an apocalyptic number.

320120142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320120142 is a wasteful number, since it uses less digits than its factorization.

320120142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53353362.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 320120142 is about 17891.9015758527. The cubic root of 320120142 is about 684.0759679312.

Adding to 320120142 its reverse (241021023), we get a palindrome (561141165).

The spelling of 320120142 in words is "three hundred twenty million, one hundred twenty thousand, one hundred forty-two".