4233121 has 2 divisors, whose sum is σ = 4233122. Its totient is φ = 4233120.

The previous prime is 4233113. The next prime is 4233139. The reversal of 4233121 is 1213324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4100625 + 132496 = 2025^2 + 364^2 .

It is a cyclic number.

It is not a de Polignac number, because 4233121 - 2³ = 4233113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4233095 and 4233104.

It is not a weakly prime, because it can be changed into another prime (4233161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2116560 + 2116561.

It is an arithmetic number, because the mean of its divisors is an integer number (2116561).

Almost surely, 2^4233121 is an apocalyptic number.

It is an amenable number.

4233121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4233121 is an equidigital number, since it uses as much as digits as its factorization.

4233121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144, while the sum is 16.

The square root of 4233121 is about 2057.4549812815. The cubic root of 4233121 is about 161.7658686625.

Adding to 4233121 its reverse (1213324), we get a palindrome (5446445).

The spelling of 4233121 in words is "four million, two hundred thirty-three thousand, one hundred twenty-one".