243204124 has 12 divisors (see below), whose sum is σ = 426301344. Its totient is φ = 121403744.

The previous prime is 243204119. The next prime is 243204151. The reversal of 243204124 is 421402342.

It is a happy number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 243204095 and 243204104.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 46804 + ... + 51739.

It is an arithmetic number, because the mean of its divisors is an integer number (35525112).

Almost surely, 2^243204124 is an apocalyptic number.

It is an amenable number.

243204124 is a deficient number, since it is larger than the sum of its proper divisors (183097220).

243204124 is a wasteful number, since it uses less digits than its factorization.

243204124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99164 (or 99162 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 243204124 is about 15595.0031740939. The cubic root of 243204124 is about 624.1998284780.

Adding to 243204124 its reverse (421402342), we get a palindrome (664606466).

The spelling of 243204124 in words is "two hundred forty-three million, two hundred four thousand, one hundred twenty-four".