120340342 has 4 divisors (see below), whose sum is σ = 180510516. Its totient is φ = 60170170.

The previous prime is 120340333. The next prime is 120340361. The reversal of 120340342 is 243043021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243043021 = 13 ⋅18695617.

It is a congruent number.

It is an unprimeable number.

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, 30085084 + ... + 30085087.

It is an arithmetic number, because the mean of its divisors is an integer number (45127629).

Almost surely, 2^120340342 is an apocalyptic number.

120340342 is a deficient number, since it is larger than the sum of its proper divisors (60170174).

120340342 is an equidigital number, since it uses as much as digits as its factorization.

120340342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60170173.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 120340342 is about 10969.9745669714. The cubic root of 120340342 is about 493.7082833526.

Adding to 120340342 its reverse (243043021), we get a palindrome (363383363).

The spelling of 120340342 in words is "one hundred twenty million, three hundred forty thousand, three hundred forty-two".