427105 has 8 divisors (see below), whose sum is σ = 585792. Its totient is φ = 292848.

The previous prime is 427103. The next prime is 427117. The reversal of 427105 is 501724.

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

It is a cyclic number.

It is not a de Polignac number, because 427105 - 2¹ = 427103 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6067 + ... + 6136.

It is an arithmetic number, because the mean of its divisors is an integer number (73224).

2⁴²⁷¹⁰⁵ is an apocalyptic number.

It is an amenable number.

427105 is a deficient number, since it is larger than the sum of its proper divisors (158687).

427105 is a wasteful number, since it uses less digits than its factorization.

427105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12215.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 427105 is about 653.5327076742. The cubic root of 427105 is about 75.3086539533.

Adding to 427105 its reverse (501724), we get a palindrome (928829).

The spelling of 427105 in words is "four hundred twenty-seven thousand, one hundred five".