342133121 has 8 divisors (see below), whose sum is σ = 377961600. Its totient is φ = 307092240.

The previous prime is 342133111. The next prime is 342133139. The reversal of 342133121 is 121331243.

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

It is a cyclic number.

It is not a de Polignac number, because 342133121 - 2¹⁰ = 342132097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342133093 and 342133102.

It is not an unprimeable number, because it can be changed into a prime (342133111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195986 + ... + 197723.

It is an arithmetic number, because the mean of its divisors is an integer number (47245200).

Almost surely, 2^342133121 is an apocalyptic number.

It is an amenable number.

342133121 is a deficient number, since it is larger than the sum of its proper divisors (35828479).

342133121 is a wasteful number, since it uses less digits than its factorization.

342133121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393799.

The product of its digits is 432, while the sum is 20.

The square root of 342133121 is about 18496.8408383702. The cubic root of 342133121 is about 699.4097888928.

Adding to 342133121 its reverse (121331243), we get a palindrome (463464364).

It can be divided in two parts, 3 and 42133121, that added together give a palindrome (42133124).

The spelling of 342133121 in words is "three hundred forty-two million, one hundred thirty-three thousand, one hundred twenty-one".