243725634122 has 4 divisors (see below), whose sum is σ = 365588451186. Its totient is φ = 121862817060.

The previous prime is 243725634079. The next prime is 243725634143. The reversal of 243725634122 is 221436527342.

243725634122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 205101200161 + 38624433961 = 452881^2 + 196531^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 243725634122.

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 as a sum of consecutive naturals, namely, 60931408529 + ... + 60931408532.

Almost surely, 2^243725634122 is an apocalyptic number.

243725634122 is a deficient number, since it is larger than the sum of its proper divisors (121862817064).

243725634122 is a wasteful number, since it uses less digits than its factorization.

243725634122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121862817063.

The product of its digits is 483840, while the sum is 41.

The spelling of 243725634122 in words is "two hundred forty-three billion, seven hundred twenty-five million, six hundred thirty-four thousand, one hundred twenty-two".