1201033133 has 2 divisors, whose sum is σ = 1201033134. Its totient is φ = 1201033132.

The previous prime is 1201033109. The next prime is 1201033139. The reversal of 1201033133 is 3313301021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 842044324 + 358988809 = 29018^2 + 18947^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201033133 - 2¹⁰ = 1201032109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201033139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600516566 + 600516567.

It is an arithmetic number, because the mean of its divisors is an integer number (600516567).

Almost surely, 2^1201033133 is an apocalyptic number.

It is an amenable number.

1201033133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201033133 is an equidigital number, since it uses as much as digits as its factorization.

1201033133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1201033133 is about 34655.9249335521. The cubic root of 1201033133 is about 1062.9634449378.

Adding to 1201033133 its reverse (3313301021), we get a palindrome (4514334154).

The spelling of 1201033133 in words is "one billion, two hundred one million, thirty-three thousand, one hundred thirty-three".