418121233 has 2 divisors, whose sum is σ = 418121234. Its totient is φ = 418121232.

The previous prime is 418121219. The next prime is 418121237. The reversal of 418121233 is 332121814.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418120704 + 529 = 20448^2 + 23^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-418121233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 418121198 and 418121207.

It is not a weakly prime, because it can be changed into another prime (418121237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209060616 + 209060617.

It is an arithmetic number, because the mean of its divisors is an integer number (209060617).

Almost surely, 2^418121233 is an apocalyptic number.

It is an amenable number.

418121233 is a deficient number, since it is larger than the sum of its proper divisors (1).

418121233 is an equidigital number, since it uses as much as digits as its factorization.

418121233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 25.

The square root of 418121233 is about 20448.0129352463. The cubic root of 418121233 is about 747.7689150761.

The spelling of 418121233 in words is "four hundred eighteen million, one hundred twenty-one thousand, two hundred thirty-three".