1304005125 has 32 divisors (see below), whose sum is σ = 2264221440. Its totient is φ = 665227200.

The previous prime is 1304005091. The next prime is 1304005133. The reversal of 1304005125 is 5215004031.

It is not a de Polignac number, because 1304005125 - 2⁶ = 1304005061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66970 + ... + 84219.

It is an arithmetic number, because the mean of its divisors is an integer number (70756920).

Almost surely, 2^1304005125 is an apocalyptic number.

1304005125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1304005125 is a deficient number, since it is larger than the sum of its proper divisors (960216315).

1304005125 is a wasteful number, since it uses less digits than its factorization.

1304005125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151230 (or 151220 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1304005125 is about 36111.0111323402. The cubic root of 1304005125 is about 1092.5125455222.

Adding to 1304005125 its reverse (5215004031), we get a palindrome (6519009156).

The spelling of 1304005125 in words is "one billion, three hundred four million, five thousand, one hundred twenty-five".