1230522025 has 6 divisors (see below), whose sum is σ = 1525847342. Its totient is φ = 984417600.

The previous prime is 1230522017. The next prime is 1230522071. The reversal of 1230522025 is 5202250321.

It can be written as a sum of positive squares in 3 ways, for example, as 196249 + 1230325776 = 443^2 + 35076^2 .

It is not a de Polignac number, because 1230522025 - 2³ = 1230522017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230521987 and 1230522005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24610416 + ... + 24610465.

Almost surely, 2^1230522025 is an apocalyptic number.

It is an amenable number.

1230522025 is a deficient number, since it is larger than the sum of its proper divisors (295325317).

1230522025 is an equidigital number, since it uses as much as digits as its factorization.

1230522025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49220891 (or 49220886 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1230522025 is about 35078.7973710616. The cubic root of 1230522025 is about 1071.5928252519.

Adding to 1230522025 its reverse (5202250321), we get a palindrome (6432772346).

The spelling of 1230522025 in words is "one billion, two hundred thirty million, five hundred twenty-two thousand, twenty-five".