1320041225 has 24 divisors (see below), whose sum is σ = 1693582080. Its totient is φ = 1019592000.

The previous prime is 1320041221. The next prime is 1320041237. The reversal of 1320041225 is 5221400231.

It is not a de Polignac number, because 1320041225 - 2² = 1320041221 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1320041197 and 1320041206.

It is not an unprimeable number, because it can be changed into a prime (1320041221) 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, 378791 + ... + 382259.

It is an arithmetic number, because the mean of its divisors is an integer number (70565920).

Almost surely, 2^1320041225 is an apocalyptic number.

It is an amenable number.

1320041225 is a deficient number, since it is larger than the sum of its proper divisors (373540855).

1320041225 is a wasteful number, since it uses less digits than its factorization.

1320041225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001 (or 3996 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1320041225 is about 36332.3715851305. The cubic root of 1320041225 is about 1096.9727301227.

Adding to 1320041225 its reverse (5221400231), we get a palindrome (6541441456).

The spelling of 1320041225 in words is "one billion, three hundred twenty million, forty-one thousand, two hundred twenty-five".