427111 has 4 divisors (see below), whose sum is σ = 432000. Its totient is φ = 422224.

The previous prime is 427103. The next prime is 427117. The reversal of 427111 is 111724.

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 427111 - 2³ = 427103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2311 + ... + 2488.

It is an arithmetic number, because the mean of its divisors is an integer number (108000).

2⁴²⁷¹¹¹ is an apocalyptic number.

427111 is a deficient number, since it is larger than the sum of its proper divisors (4889).

427111 is an equidigital number, since it uses as much as digits as its factorization.

427111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4888.

The product of its digits is 56, while the sum is 16.

The square root of 427111 is about 653.5372980940. The cubic root of 427111 is about 75.3090065986.

Adding to 427111 its reverse (111724), we get a palindrome (538835).

The spelling of 427111 in words is "four hundred twenty-seven thousand, one hundred eleven", and thus it is an iban number.