4184121 has 4 divisors (see below), whose sum is σ = 5578832. Its totient is φ = 2789412.

The previous prime is 4184119. The next prime is 4184143. The reversal of 4184121 is 1214814.

It is a happy number.

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 not a de Polignac number, because 4184121 - 2¹ = 4184119 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4184111) 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, 697351 + ... + 697356.

It is an arithmetic number, because the mean of its divisors is an integer number (1394708).

Almost surely, 2^4184121 is an apocalyptic number.

It is an amenable number.

4184121 is a deficient number, since it is larger than the sum of its proper divisors (1394711).

4184121 is a wasteful number, since it uses less digits than its factorization.

4184121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394710.

The product of its digits is 256, while the sum is 21.

The square root of 4184121 is about 2045.5124052423. The cubic root of 4184121 is about 161.1392773938.

Adding to 4184121 its reverse (1214814), we get a palindrome (5398935).

The spelling of 4184121 in words is "four million, one hundred eighty-four thousand, one hundred twenty-one".