205124122 has 8 divisors (see below), whose sum is σ = 351641376. Its totient is φ = 87910332.

The previous prime is 205124119. The next prime is 205124137. The reversal of 205124122 is 221421502.

205124122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 205124122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7325848 + ... + 7325875.

It is an arithmetic number, because the mean of its divisors is an integer number (43955172).

Almost surely, 2^205124122 is an apocalyptic number.

205124122 is a deficient number, since it is larger than the sum of its proper divisors (146517254).

205124122 is a wasteful number, since it uses less digits than its factorization.

205124122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14651732.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 205124122 is about 14322.1549356233. The cubic root of 205124122 is about 589.7558330859.

Adding to 205124122 its reverse (221421502), we get a palindrome (426545624).

The spelling of 205124122 in words is "two hundred five million, one hundred twenty-four thousand, one hundred twenty-two".