342503121 has 8 divisors (see below), whose sum is σ = 457588000. Its totient is φ = 227876832.

The previous prime is 342503111. The next prime is 342503141. The reversal of 342503121 is 121305243.

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

It is not a de Polignac number, because 342503121 - 2¹⁴ = 342486737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342503111) 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, 112900 + ... + 115893.

It is an arithmetic number, because the mean of its divisors is an integer number (57198500).

Almost surely, 2^342503121 is an apocalyptic number.

It is an amenable number.

342503121 is a deficient number, since it is larger than the sum of its proper divisors (115084879).

342503121 is a wasteful number, since it uses less digits than its factorization.

342503121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229295.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 342503121 is about 18506.8398436902. The cubic root of 342503121 is about 699.6618237251.

Adding to 342503121 its reverse (121305243), we get a palindrome (463808364).

The spelling of 342503121 in words is "three hundred forty-two million, five hundred three thousand, one hundred twenty-one".