1320304825 has 24 divisors (see below), whose sum is σ = 1889611200. Its totient is φ = 896376000.

The previous prime is 1320304823. The next prime is 1320304829. The reversal of 1320304825 is 5284030231.

It is not a de Polignac number, because 1320304825 - 2¹ = 1320304823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320304793 and 1320304802.

It is not an unprimeable number, because it can be changed into a prime (1320304823) 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, 19675 + ... + 55024.

It is an arithmetic number, because the mean of its divisors is an integer number (78733800).

Almost surely, 2^1320304825 is an apocalyptic number.

It is an amenable number.

1320304825 is a deficient number, since it is larger than the sum of its proper divisors (569306375).

1320304825 is a wasteful number, since it uses less digits than its factorization.

1320304825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74817 (or 74812 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1320304825 is about 36335.9990230075. Note that the first 3 decimals coincide. The cubic root of 1320304825 is about 1097.0457436924.

The spelling of 1320304825 in words is "one billion, three hundred twenty million, three hundred four thousand, eight hundred twenty-five".