512042 has 4 divisors (see below), whose sum is σ = 768066. Its totient is φ = 256020.

The previous prime is 512021. The next prime is 512047. The reversal of 512042 is 240215.

512042 is digitally balanced in base 3, 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., 383161 + 128881 = 619^2 + 359^2 .

It is not an unprimeable number, because it can be changed into a prime (512047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128009 + ... + 128012.

2⁵¹²⁰⁴² is an apocalyptic number.

512042 is a deficient number, since it is larger than the sum of its proper divisors (256024).

512042 is a wasteful number, since it uses less digits than its factorization.

512042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256023.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 512042 is about 715.5711005903. The cubic root of 512042 is about 80.0021874402.

Adding to 512042 its reverse (240215), we get a palindrome (752257).

The spelling of 512042 in words is "five hundred twelve thousand, forty-two".