120142342 has 4 divisors (see below), whose sum is σ = 180213516. Its totient is φ = 60071170.

The previous prime is 120142333. The next prime is 120142403. The reversal of 120142342 is 243241021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30035584 + ... + 30035587.

It is an arithmetic number, because the mean of its divisors is an integer number (45053379).

Almost surely, 2^120142342 is an apocalyptic number.

120142342 is a deficient number, since it is larger than the sum of its proper divisors (60071174).

120142342 is an equidigital number, since it uses as much as digits as its factorization.

120142342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60071173.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 120142342 is about 10960.9462182788. The cubic root of 120142342 is about 493.4373631155.

Adding to 120142342 its reverse (243241021), we get a palindrome (363383363).

The spelling of 120142342 in words is "one hundred twenty million, one hundred forty-two thousand, three hundred forty-two".