121234433 has 2 divisors, whose sum is σ = 121234434. Its totient is φ = 121234432.

The previous prime is 121234411. The next prime is 121234447. The reversal of 121234433 is 334432121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115627009 + 5607424 = 10753^2 + 2368^2 .

It is a cyclic number.

It is not a de Polignac number, because 121234433 - 2⁶ = 121234369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121234399 and 121234408.

It is not a weakly prime, because it can be changed into another prime (121234453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60617216 + 60617217.

It is an arithmetic number, because the mean of its divisors is an integer number (60617217).

Almost surely, 2^121234433 is an apocalyptic number.

It is an amenable number.

121234433 is a deficient number, since it is larger than the sum of its proper divisors (1).

121234433 is an equidigital number, since it uses as much as digits as its factorization.

121234433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 121234433 is about 11010.6508890256. The cubic root of 121234433 is about 494.9279669354.

Adding to 121234433 its reverse (334432121), we get a palindrome (455666554).

The spelling of 121234433 in words is "one hundred twenty-one million, two hundred thirty-four thousand, four hundred thirty-three".