243124401 has 8 divisors (see below), whose sum is σ = 349101760. Its totient is φ = 149614992.

The previous prime is 243124397. The next prime is 243124411. The reversal of 243124401 is 104421342.

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

It is not a de Polignac number, because 243124401 - 2² = 243124397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243124411) 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, 3116941 + ... + 3117018.

It is an arithmetic number, because the mean of its divisors is an integer number (43637720).

Almost surely, 2^243124401 is an apocalyptic number.

It is an amenable number.

243124401 is a deficient number, since it is larger than the sum of its proper divisors (105977359).

243124401 is a wasteful number, since it uses less digits than its factorization.

243124401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6233975.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 243124401 is about 15592.4469215066. The cubic root of 243124401 is about 624.1316162008.

Adding to 243124401 its reverse (104421342), we get a palindrome (347545743).

The spelling of 243124401 in words is "two hundred forty-three million, one hundred twenty-four thousand, four hundred one".