512231234 has 12 divisors (see below), whose sum is σ = 795757794. Its totient is φ = 247283232.

The previous prime is 512231231. The next prime is 512231261. The reversal of 512231234 is 432132215.

It can be written as a sum of positive squares in 3 ways, for example, as 509179225 + 3052009 = 22565^2 + 1747^2 .

It is not an unprimeable number, because it can be changed into a prime (512231231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 150587 + ... + 153950.

Almost surely, 2^512231234 is an apocalyptic number.

512231234 is a deficient number, since it is larger than the sum of its proper divisors (283526560).

512231234 is a wasteful number, since it uses less digits than its factorization.

512231234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304597 (or 304568 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 512231234 is about 22632.5260189843. The cubic root of 512231234 is about 800.1204162490.

Adding to 512231234 its reverse (432132215), we get a palindrome (944363449).

The spelling of 512231234 in words is "five hundred twelve million, two hundred thirty-one thousand, two hundred thirty-four".