243539122 has 8 divisors (see below), whose sum is σ = 365538096. Its totient is φ = 121693092.

The previous prime is 243539119. The next prime is 243539123. The reversal of 243539122 is 221935342.

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

It is a super-3 number, since 3×243539122³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (243539123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34168 + ... + 40675.

It is an arithmetic number, because the mean of its divisors is an integer number (45692262).

Almost surely, 2^243539122 is an apocalyptic number.

243539122 is a deficient number, since it is larger than the sum of its proper divisors (121998974).

243539122 is a wasteful number, since it uses less digits than its factorization.

243539122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76472.

The product of its digits is 12960, while the sum is 31.

The square root of 243539122 is about 15605.7400337184. The cubic root of 243539122 is about 624.4862953277.

The spelling of 243539122 in words is "two hundred forty-three million, five hundred thirty-nine thousand, one hundred twenty-two".