1304130225 has 24 divisors (see below), whose sum is σ = 2168646912. Its totient is φ = 691508800.

The previous prime is 1304130211. The next prime is 1304130229. The reversal of 1304130225 is 5220314031.

It is not a de Polignac number, because 1304130225 - 2⁵ = 1304130193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1304130229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37281 + ... + 63230.

It is an arithmetic number, because the mean of its divisors is an integer number (90360288).

Almost surely, 2^1304130225 is an apocalyptic number.

1304130225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1304130225 is a deficient number, since it is larger than the sum of its proper divisors (864516687).

1304130225 is a wasteful number, since it uses less digits than its factorization.

1304130225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100697 (or 100692 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1304130225 is about 36112.7432494404. The cubic root of 1304130225 is about 1092.5474812103.

Adding to 1304130225 its reverse (5220314031), we get a palindrome (6524444256).

The spelling of 1304130225 in words is "one billion, three hundred four million, one hundred thirty thousand, two hundred twenty-five".