243253122 has 16 divisors (see below), whose sum is σ = 556007232. Its totient is φ = 69500880.

The previous prime is 243253117. The next prime is 243253151. The reversal of 243253122 is 221352342.

It is a junction number, because it is equal to n+sod(n) for n = 243253092 and 243253101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2895829 + ... + 2895912.

It is an arithmetic number, because the mean of its divisors is an integer number (34750452).

Almost surely, 2^243253122 is an apocalyptic number.

243253122 is an abundant number, since it is smaller than the sum of its proper divisors (312754110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243253122 is a wasteful number, since it uses less digits than its factorization.

243253122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791753.

The product of its digits is 2880, while the sum is 24.

The square root of 243253122 is about 15596.5740468861. The cubic root of 243253122 is about 624.2417445566.

The spelling of 243253122 in words is "two hundred forty-three million, two hundred fifty-three thousand, one hundred twenty-two".