243124130 has 8 divisors (see below), whose sum is σ = 437623452. Its totient is φ = 97249648.

The previous prime is 243124121. The next prime is 243124153. The reversal of 243124130 is 31421342.

It can be written as a sum of positive squares in 2 ways, for example, as 237067609 + 6056521 = 15397^2 + 2461^2 .

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

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12156197 + ... + 12156216.

Almost surely, 2^243124130 is an apocalyptic number.

243124130 is a deficient number, since it is larger than the sum of its proper divisors (194499322).

243124130 is a wasteful number, since it uses less digits than its factorization.

243124130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24312420.

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

The square root of 243124130 is about 15592.4382313992. The cubic root of 243124130 is about 624.1313843034.

Adding to 243124130 its reverse (31421342), we get a palindrome (274545472).

The spelling of 243124130 in words is "two hundred forty-three million, one hundred twenty-four thousand, one hundred thirty".