1201223033 has 4 divisors (see below), whose sum is σ = 1201310628. Its totient is φ = 1201135440.

The previous prime is 1201223027. The next prime is 1201223059. The reversal of 1201223033 is 3303221021.

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 783552064 + 417670969 = 27992^2 + 20437^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201223033 - 2¹⁴ = 1201206649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201223083) 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, 18266 + ... + 52307.

It is an arithmetic number, because the mean of its divisors is an integer number (300327657).

Almost surely, 2^1201223033 is an apocalyptic number.

It is an amenable number.

1201223033 is a deficient number, since it is larger than the sum of its proper divisors (87595).

1201223033 is an equidigital number, since it uses as much as digits as its factorization.

1201223033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87594.

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

The square root of 1201223033 is about 34658.6646165140. The cubic root of 1201223033 is about 1063.0194650743.

Adding to 1201223033 its reverse (3303221021), we get a palindrome (4504444054).

The spelling of 1201223033 in words is "one billion, two hundred one million, two hundred twenty-three thousand, thirty-three".