1301000225 has 36 divisors (see below), whose sum is σ = 1987048044. Its totient is φ = 839623680.

The previous prime is 1301000213. The next prime is 1301000227. The reversal of 1301000225 is 5220001031.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 388129 + 1300612096 = 623^2 + 36064^2 .

It is not a de Polignac number, because 1301000225 - 2¹² = 1300996129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301000227) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 10412 + ... + 52061.

It is an arithmetic number, because the mean of its divisors is an integer number (55195779).

Almost surely, 2^1301000225 is an apocalyptic number.

1301000225 is the 20825-th octagonal number.

It is an amenable number.

1301000225 is a deficient number, since it is larger than the sum of its proper divisors (686047819).

1301000225 is a wasteful number, since it uses less digits than its factorization.

1301000225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62514 (or 62502 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1301000225 is about 36069.3807127320. The cubic root of 1301000225 is about 1091.6727185985.

Adding to 1301000225 its reverse (5220001031), we get a palindrome (6521001256).

The spelling of 1301000225 in words is "one billion, three hundred one million, two hundred twenty-five", and thus it is an aban number.