4212143 has 4 divisors (see below), whose sum is σ = 4536168. Its totient is φ = 3888120.

The previous prime is 4212139. The next prime is 4212161. The reversal of 4212143 is 3412124.

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 4212143 - 2² = 4212139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4212113) 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, 161993 + ... + 162018.

It is an arithmetic number, because the mean of its divisors is an integer number (1134042).

Almost surely, 2^4212143 is an apocalyptic number.

4212143 is a deficient number, since it is larger than the sum of its proper divisors (324025).

4212143 is a wasteful number, since it uses less digits than its factorization.

4212143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324024.

The product of its digits is 192, while the sum is 17.

The square root of 4212143 is about 2052.3506035763. The cubic root of 4212143 is about 161.4982059758.

Adding to 4212143 its reverse (3412124), we get a palindrome (7624267).

The spelling of 4212143 in words is "four million, two hundred twelve thousand, one hundred forty-three".