1320262133 has 2 divisors, whose sum is σ = 1320262134. Its totient is φ = 1320262132.

The previous prime is 1320262103. The next prime is 1320262189. The reversal of 1320262133 is 3312620231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1038257284 + 282004849 = 32222^2 + 16793^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320262133 - 2¹⁰ = 1320261109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320262099 and 1320262108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320262103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660131066 + 660131067.

It is an arithmetic number, because the mean of its divisors is an integer number (660131067).

Almost surely, 2^1320262133 is an apocalyptic number.

It is an amenable number.

1320262133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320262133 is an equidigital number, since it uses as much as digits as its factorization.

1320262133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1320262133 is about 36335.4115567720. The cubic root of 1320262133 is about 1097.0339192559.

Adding to 1320262133 its reverse (3312620231), we get a palindrome (4632882364).

The spelling of 1320262133 in words is "one billion, three hundred twenty million, two hundred sixty-two thousand, one hundred thirty-three".