1212433 has 2 divisors, whose sum is σ = 1212434. Its totient is φ = 1212432.

The previous prime is 1212427. The next prime is 1212437. The reversal of 1212433 is 3342121.

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., 831744 + 380689 = 912^2 + 617^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212433 - 2⁵ = 1212401 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1212437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606216 + 606217.

It is an arithmetic number, because the mean of its divisors is an integer number (606217).

2^1212433 is an apocalyptic number.

It is an amenable number.

1212433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1212433 is an equidigital number, since it uses as much as digits as its factorization.

1212433 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 1212433 is about 1101.1053537242. The cubic root of 1212433 is about 106.6315976295.

Adding to 1212433 its reverse (3342121), we get a palindrome (4554554).

The spelling of 1212433 in words is "one million, two hundred twelve thousand, four hundred thirty-three".