1200331233 has 6 divisors (see below), whose sum is σ = 1733811794. Its totient is φ = 800220816.

The previous prime is 1200331207. The next prime is 1200331267. The reversal of 1200331233 is 3321330021.

It can be written as a sum of positive squares in only one way, i.e., 1085241249 + 115089984 = 32943^2 + 10728^2 .

It is not a de Polignac number, because 1200331233 - 2¹³ = 1200323041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200331273) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66685060 + ... + 66685077.

Almost surely, 2^1200331233 is an apocalyptic number.

It is an amenable number.

1200331233 is a deficient number, since it is larger than the sum of its proper divisors (533480561).

1200331233 is a wasteful number, since it uses less digits than its factorization.

1200331233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133370143 (or 133370140 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1200331233 is about 34645.7967580484. The cubic root of 1200331233 is about 1062.7563345173.

Adding to 1200331233 its reverse (3321330021), we get a palindrome (4521661254).

The spelling of 1200331233 in words is "one billion, two hundred million, three hundred thirty-one thousand, two hundred thirty-three".