512105 has 8 divisors (see below), whose sum is σ = 670464. Its totient is φ = 372400.

The previous prime is 512101. The next prime is 512137. The reversal of 512105 is 501215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 512105 - 2² = 512101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 512105.

It is not an unprimeable number, because it can be changed into a prime (512101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4601 + ... + 4710.

It is an arithmetic number, because the mean of its divisors is an integer number (83808).

2⁵¹²¹⁰⁵ is an apocalyptic number.

512105 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

512105 is a deficient number, since it is larger than the sum of its proper divisors (158359).

512105 is a wasteful number, since it uses less digits than its factorization.

512105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9327.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 512105 is about 715.6151200191. The cubic root of 512105 is about 80.0054683762.

It can be divided in two parts, 51210 and 5, that added together give a palindrome (51215).

The spelling of 512105 in words is "five hundred twelve thousand, one hundred five".