4343121 has 6 divisors (see below), whose sum is σ = 6273410. Its totient is φ = 2895408.

The previous prime is 4343117. The next prime is 4343123. The reversal of 4343121 is 1213434.

It can be written as a sum of positive squares in only one way, i.e., 2624400 + 1718721 = 1620^2 + 1311^2 .

It is not a de Polignac number, because 4343121 - 2² = 4343117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4343094 and 4343103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4343123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 241276 + ... + 241293.

Almost surely, 2^4343121 is an apocalyptic number.

It is an amenable number.

4343121 is a deficient number, since it is larger than the sum of its proper divisors (1930289).

4343121 is a wasteful number, since it uses less digits than its factorization.

4343121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482575 (or 482572 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 4343121 is about 2084.0155949512. The cubic root of 4343121 is about 163.1550959576.

Adding to 4343121 its reverse (1213434), we get a palindrome (5556555).

The spelling of 4343121 in words is "four million, three hundred forty-three thousand, one hundred twenty-one".