342342121 has 8 divisors (see below), whose sum is σ = 374400288. Its totient is φ = 310440000.

The previous prime is 342342101. The next prime is 342342137. The reversal of 342342121 is 121243243.

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 342342121 - 2⁹ = 342341609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342342092 and 342342101.

It is not an unprimeable number, because it can be changed into a prime (342342101) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 34395 + ... + 43216.

It is an arithmetic number, because the mean of its divisors is an integer number (46800036).

Almost surely, 2^342342121 is an apocalyptic number.

It is an amenable number.

342342121 is a deficient number, since it is larger than the sum of its proper divisors (32058167).

342342121 is a wasteful number, since it uses less digits than its factorization.

342342121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78023.

The product of its digits is 1152, while the sum is 22.

The square root of 342342121 is about 18502.4895892418. The cubic root of 342342121 is about 699.5521768327.

Adding to 342342121 its reverse (121243243), we get a palindrome (463585364).

The spelling of 342342121 in words is "three hundred forty-two million, three hundred forty-two thousand, one hundred twenty-one".