1301234225 has 6 divisors (see below), whose sum is σ = 1613530470. Its totient is φ = 1040987360.

The previous prime is 1301234219. The next prime is 1301234227. The reversal of 1301234225 is 5224321031.

It can be written as a sum of positive squares in 3 ways, for example, as 242642929 + 1058591296 = 15577^2 + 32536^2 .

It is not a de Polignac number, because 1301234225 - 2¹⁰ = 1301233201 is a prime.

It is a super-2 number, since 2×1301234225² = 3386421016622701250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1301234225.

It is not an unprimeable number, because it can be changed into a prime (1301234227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26024660 + ... + 26024709.

It is an arithmetic number, because the mean of its divisors is an integer number (268921745).

Almost surely, 2^1301234225 is an apocalyptic number.

It is an amenable number.

1301234225 is a deficient number, since it is larger than the sum of its proper divisors (312296245).

1301234225 is an equidigital number, since it uses as much as digits as its factorization.

1301234225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52049379 (or 52049374 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1301234225 is about 36072.6243154002. The cubic root of 1301234225 is about 1091.7381646805.

Adding to 1301234225 its reverse (5224321031), we get a palindrome (6525555256).

The spelling of 1301234225 in words is "one billion, three hundred one million, two hundred thirty-four thousand, two hundred twenty-five".