512100242 has 8 divisors (see below), whose sum is σ = 768892800. Its totient is φ = 255802644.

The previous prime is 512100233. The next prime is 512100263. The reversal of 512100242 is 242001215.

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 512100242.

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, 121142 + ... + 125297.

It is an arithmetic number, because the mean of its divisors is an integer number (96111600).

Almost surely, 2^512100242 is an apocalyptic number.

512100242 is a deficient number, since it is larger than the sum of its proper divisors (256792558).

512100242 is a wasteful number, since it uses less digits than its factorization.

512100242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247480.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 512100242 is about 22629.6319457476. The cubic root of 512100242 is about 800.0522059681.

Adding to 512100242 its reverse (242001215), we get a palindrome (754101457).

The spelling of 512100242 in words is "five hundred twelve million, one hundred thousand, two hundred forty-two".