342121043 has 8 divisors (see below), whose sum is σ = 375459840. Its totient is φ = 309155080.

The previous prime is 342121027. The next prime is 342121057. The reversal of 342121043 is 340121243.

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 342121043 - 2⁴ = 342121027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342921043) 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 7 ways as a sum of consecutive naturals, for example, 91283 + ... + 94956.

It is an arithmetic number, because the mean of its divisors is an integer number (46932480).

Almost surely, 2^342121043 is an apocalyptic number.

342121043 is a deficient number, since it is larger than the sum of its proper divisors (33338797).

342121043 is a wasteful number, since it uses less digits than its factorization.

342121043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186417.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 342121043 is about 18496.5143473034. The cubic root of 342121043 is about 699.4015585965.

Adding to 342121043 its reverse (340121243), we get a palindrome (682242286).

The spelling of 342121043 in words is "three hundred forty-two million, one hundred twenty-one thousand, forty-three".