512642120 has 16 divisors (see below), whose sum is σ = 1153444860. Its totient is φ = 205056832.

The previous prime is 512642111. The next prime is 512642153. The reversal of 512642120 is 21246215.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 506160004 + 6482116 = 22498^2 + 2546^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6407987 + ... + 6408066.

Almost surely, 2^512642120 is an apocalyptic number.

It is an amenable number.

512642120 is an abundant number, since it is smaller than the sum of its proper divisors (640802740).

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

512642120 is a wasteful number, since it uses less digits than its factorization.

512642120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12816064 (or 12816060 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 512642120 is about 22641.6015334605. The cubic root of 512642120 is about 800.3342977868.

Adding to 512642120 its reverse (21246215), we get a palindrome (533888335).

The spelling of 512642120 in words is "five hundred twelve million, six hundred forty-two thousand, one hundred twenty".