1320960 has 96 divisors (see below), whose sum is σ = 4324320. Its totient is φ = 344064.

The previous prime is 1320947. The next prime is 1320961. The reversal of 1320960 is 690231.

It is a tau number, because it is divible by the number of its divisors (96).

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (1320961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30699 + ... + 30741.

It is an arithmetic number, because the mean of its divisors is an integer number (45045).

2^1320960 is an apocalyptic number.

1320960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2162160).

1320960 is an abundant number, since it is smaller than the sum of its proper divisors (3003360).

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

1320960 is an equidigital number, since it uses as much as digits as its factorization.

1320960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1320960 is about 1149.3302397484. The cubic root of 1320960 is about 109.7227176059.

The spelling of 1320960 in words is "one million, three hundred twenty thousand, nine hundred sixty".