214121 has 4 divisors (see below), whose sum is σ = 215172. Its totient is φ = 213072.

The previous prime is 214091. The next prime is 214129. The reversal of 214121 is 121412.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 24025 + 190096 = 155^2 + 436^2 .

It is a cyclic number.

It is not a de Polignac number, because 214121 - 2¹⁰ = 213097 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (214129) 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, 110 + ... + 663.

It is an arithmetic number, because the mean of its divisors is an integer number (53793).

2²¹⁴¹²¹ is an apocalyptic number.

It is an amenable number.

214121 is a deficient number, since it is larger than the sum of its proper divisors (1051).

214121 is an equidigital number, since it uses as much as digits as its factorization.

214121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050.

The product of its digits is 16, while the sum is 11.

The square root of 214121 is about 462.7321039219. The cubic root of 214121 is about 59.8255115736.

Adding to 214121 its reverse (121412), we get a palindrome (335533).

The spelling of 214121 in words is "two hundred fourteen thousand, one hundred twenty-one", and thus it is an iban number.