1320112133 has 4 divisors (see below), whose sum is σ = 1320213888. Its totient is φ = 1320010380.

The previous prime is 1320112099. The next prime is 1320112139. The reversal of 1320112133 is 3312110231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1320112133 - 2⁶ = 1320112069 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 (1320112139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27983 + ... + 58508.

It is an arithmetic number, because the mean of its divisors is an integer number (330053472).

Almost surely, 2^1320112133 is an apocalyptic number.

It is an amenable number.

1320112133 is a deficient number, since it is larger than the sum of its proper divisors (101755).

1320112133 is an equidigital number, since it uses as much as digits as its factorization.

1320112133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101754.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1320112133 is about 36333.3473960217. The cubic root of 1320112133 is about 1096.9923716178.

Adding to 1320112133 its reverse (3312110231), we get a palindrome (4632222364).

The spelling of 1320112133 in words is "one billion, three hundred twenty million, one hundred twelve thousand, one hundred thirty-three".