243204122 has 16 divisors (see below), whose sum is σ = 417921792. Its totient is φ = 103980240.

The previous prime is 243204119. The next prime is 243204151. The reversal of 243204122 is 221402342.

243204122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 243204094 and 243204103.

It is an unprimeable number.

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, 14738 + ... + 26525.

It is an arithmetic number, because the mean of its divisors is an integer number (26120112).

Almost surely, 2^243204122 is an apocalyptic number.

243204122 is a deficient number, since it is larger than the sum of its proper divisors (174717670).

243204122 is a wasteful number, since it uses less digits than its factorization.

243204122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41693.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 243204122 is about 15595.0031099708. The cubic root of 243204122 is about 624.1998267670.

Adding to 243204122 its reverse (221402342), we get a palindrome (464606464).

The spelling of 243204122 in words is "two hundred forty-three million, two hundred four thousand, one hundred twenty-two".