1232002133 has 4 divisors (see below), whose sum is σ = 1232082060. Its totient is φ = 1231922208.

The previous prime is 1232002129. The next prime is 1232002171. The reversal of 1232002133 is 3312002321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1099452964 + 132549169 = 33158^2 + 11513^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232002133 - 2² = 1232002129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232002103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8678 + ... + 50391.

It is an arithmetic number, because the mean of its divisors is an integer number (308020515).

Almost surely, 2^1232002133 is an apocalyptic number.

It is an amenable number.

1232002133 is a deficient number, since it is larger than the sum of its proper divisors (79927).

1232002133 is an equidigital number, since it uses as much as digits as its factorization.

1232002133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79926.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1232002133 is about 35099.8879342940. The cubic root of 1232002133 is about 1072.0223008676.

Adding to 1232002133 its reverse (3312002321), we get a palindrome (4544004454).

The spelling of 1232002133 in words is "one billion, two hundred thirty-two million, two thousand, one hundred thirty-three".