342121242 has 8 divisors (see below), whose sum is σ = 684242496. Its totient is φ = 114040412.

The previous prime is 342121237. The next prime is 342121249. The reversal of 342121242 is 242121243.

342121242 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.

342121242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (342121249) 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, 28510098 + ... + 28510109.

It is an arithmetic number, because the mean of its divisors is an integer number (85530312).

Almost surely, 2^342121242 is an apocalyptic number.

342121242 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.

342121242 is a wasteful number, since it uses less digits than its factorization.

342121242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57020212.

The product of its digits is 768, while the sum is 21.

The square root of 342121242 is about 18496.5197266945. The cubic root of 342121242 is about 699.4016942024.

Adding to 342121242 its reverse (242121243), we get a palindrome (584242485).

Subtracting from 342121242 its reverse (242121243), we obtain a palindrome (99999999).

The spelling of 342121242 in words is "three hundred forty-two million, one hundred twenty-one thousand, two hundred forty-two".