4233244121 has 2 divisors, whose sum is σ = 4233244122. Its totient is φ = 4233244120.

The previous prime is 4233244097. The next prime is 4233244189. The reversal of 4233244121 is 1214423324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3459792400 + 773451721 = 58820^2 + 27811^2 .

It is a cyclic number.

It is not a de Polignac number, because 4233244121 - 2²² = 4229049817 is a prime.

It is not a weakly prime, because it can be changed into another prime (4233244621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2116622060 + 2116622061.

It is an arithmetic number, because the mean of its divisors is an integer number (2116622061).

Almost surely, 2^4233244121 is an apocalyptic number.

It is an amenable number.

4233244121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4233244121 is an equidigital number, since it uses as much as digits as its factorization.

4233244121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 26.

The square root of 4233244121 is about 65063.3854099216. The cubic root of 4233244121 is about 1617.6743697602.

Adding to 4233244121 its reverse (1214423324), we get a palindrome (5447667445).

The spelling of 4233244121 in words is "four billion, two hundred thirty-three million, two hundred forty-four thousand, one hundred twenty-one".