1232013133 has 8 divisors (see below), whose sum is σ = 1328097176. Its totient is φ = 1136116800.

The previous prime is 1232013121. The next prime is 1232013151. The reversal of 1232013133 is 3313102321.

It can be written as a sum of positive squares in 4 ways, for example, as 93760489 + 1138252644 = 9683^2 + 33738^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1232013133 - 2²⁹ = 695142221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1232013133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232013173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33138 + ... + 59683.

It is an arithmetic number, because the mean of its divisors is an integer number (166012147).

Almost surely, 2^1232013133 is an apocalyptic number.

1232013133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1232013133 is a deficient number, since it is larger than the sum of its proper divisors (96084043).

1232013133 is a wasteful number, since it uses less digits than its factorization.

1232013133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93855.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1232013133 is about 35100.0446296013. The cubic root of 1232013133 is about 1072.0254913951.

Adding to 1232013133 its reverse (3313102321), we get a palindrome (4545115454).

The spelling of 1232013133 in words is "one billion, two hundred thirty-two million, thirteen thousand, one hundred thirty-three".