1260320 has 24 divisors (see below), whose sum is σ = 2977884. Its totient is φ = 504064.

The previous prime is 1260319. The next prime is 1260323. The reversal of 1260320 is 230621.

It can be written as a sum of positive squares in 2 ways, for example, as 1175056 + 85264 = 1084^2 + 292^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1260295 and 1260304.

It is not an unprimeable number, because it can be changed into a prime (1260323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3779 + ... + 4098.

2^1260320 is an apocalyptic number.

1260320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1260320 is an abundant number, since it is smaller than the sum of its proper divisors (1717564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1260320 is an equidigital number, since it uses as much as digits as its factorization.

1260320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7892 (or 7884 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1260320 is about 1122.6397463122. The cubic root of 1260320 is about 108.0173726054.

Adding to 1260320 its reverse (230621), we get a palindrome (1490941).

The spelling of 1260320 in words is "one million, two hundred sixty thousand, three hundred twenty".