512112906 has 12 divisors (see below), whose sum is σ = 1109578002. Its totient is φ = 170704296.

The previous prime is 512112899. The next prime is 512112971. The reversal of 512112906 is 609211215.

It can be written as a sum of positive squares in only one way, i.e., 460488681 + 51624225 = 21459^2 + 7185^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 512112906.

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 5 ways as a sum of consecutive naturals, for example, 14225341 + ... + 14225376.

Almost surely, 2^512112906 is an apocalyptic number.

512112906 is an abundant number, since it is smaller than the sum of its proper divisors (597465096).

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

512112906 is a wasteful number, since it uses less digits than its factorization.

512112906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28450725 (or 28450722 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 512112906 is about 22629.9117541364. The cubic root of 512112906 is about 800.0588008863.

The spelling of 512112906 in words is "five hundred twelve million, one hundred twelve thousand, nine hundred six".