214234121 has 4 divisors (see below), whose sum is σ = 223548672. Its totient is φ = 204919572.

The previous prime is 214234091. The next prime is 214234157. The reversal of 214234121 is 121432412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214234121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214234093 and 214234102.

It is not an unprimeable number, because it can be changed into a prime (214234171) 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, 4657241 + ... + 4657286.

It is an arithmetic number, because the mean of its divisors is an integer number (55887168).

Almost surely, 2^214234121 is an apocalyptic number.

It is an amenable number.

214234121 is a deficient number, since it is larger than the sum of its proper divisors (9314551).

214234121 is an equidigital number, since it uses as much as digits as its factorization.

214234121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9314550.

The product of its digits is 384, while the sum is 20.

The square root of 214234121 is about 14636.7387419466. The cubic root of 214234121 is about 598.3604507297.

Adding to 214234121 its reverse (121432412), we get a palindrome (335666533).

It can be divided in two parts, 2142 and 34121, that added together give a palindrome (36263).

The spelling of 214234121 in words is "two hundred fourteen million, two hundred thirty-four thousand, one hundred twenty-one".