1320430225 has 12 divisors (see below), whose sum is σ = 1637785180. Its totient is φ = 1056052800.

The previous prime is 1320430201. The next prime is 1320430247. The reversal of 1320430225 is 5220340231.

It can be written as a sum of positive squares in 6 ways, for example, as 21836929 + 1298593296 = 4673^2 + 36036^2 .

It is not a de Polignac number, because 1320430225 - 2¹¹ = 1320428177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320430196 and 1320430205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165631 + ... + 173419.

Almost surely, 2^1320430225 is an apocalyptic number.

It is an amenable number.

1320430225 is a deficient number, since it is larger than the sum of its proper divisors (317354955).

1320430225 is an equidigital number, since it uses as much as digits as its factorization.

1320430225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14580 (or 14575 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 1320430225 is about 36337.7245435099. The cubic root of 1320430225 is about 1097.0804743543.

Adding to 1320430225 its reverse (5220340231), we get a palindrome (6540770456).

The spelling of 1320430225 in words is "one billion, three hundred twenty million, four hundred thirty thousand, two hundred twenty-five".