421127 has 4 divisors (see below), whose sum is σ = 481296. Its totient is φ = 360960.

The previous prime is 421123. The next prime is 421133. The reversal of 421127 is 721124.

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 421127 - 2² = 421123 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 (421121) 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, 30074 + ... + 30087.

It is an arithmetic number, because the mean of its divisors is an integer number (120324).

2⁴²¹¹²⁷ is an apocalyptic number.

421127 is a deficient number, since it is larger than the sum of its proper divisors (60169).

421127 is an equidigital number, since it uses as much as digits as its factorization.

421127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60168.

The product of its digits is 112, while the sum is 17.

The square root of 421127 is about 648.9429867099. The cubic root of 421127 is about 74.9556478511.

The spelling of 421127 in words is "four hundred twenty-one thousand, one hundred twenty-seven", and thus it is an iban number.