427135 has 4 divisors (see below), whose sum is σ = 512568. Its totient is φ = 341704.

The previous prime is 427117. The next prime is 427151. The reversal of 427135 is 531724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427135 - 2⁵ = 427103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42709 + ... + 42718.

It is an arithmetic number, because the mean of its divisors is an integer number (128142).

2⁴²⁷¹³⁵ is an apocalyptic number.

427135 is a deficient number, since it is larger than the sum of its proper divisors (85433).

427135 is an equidigital number, since it uses as much as digits as its factorization.

427135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85432.

The product of its digits is 840, while the sum is 22.

The square root of 427135 is about 653.5556594507. Note that the first 3 decimals coincide. The cubic root of 427135 is about 75.3104171471.

Adding to 427135 its reverse (531724), we get a palindrome (958859).

The spelling of 427135 in words is "four hundred twenty-seven thousand, one hundred thirty-five".