1322760 has 64 divisors (see below), whose sum is σ = 4049280. Its totient is φ = 345600.

The previous prime is 1322749. The next prime is 1322767. The reversal of 1322760 is 672231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1322767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8685 + ... + 8835.

It is an arithmetic number, because the mean of its divisors is an integer number (63270).

2^1322760 is an apocalyptic number.

1322760 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 1322760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2024640).

1322760 is an abundant number, since it is smaller than the sum of its proper divisors (2726520).

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

1322760 is a wasteful number, since it uses less digits than its factorization.

1322760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1322760 is about 1150.1130379228. The cubic root of 1322760 is about 109.7725327029.

Adding to 1322760 its reverse (672231), we get a palindrome (1994991).

The spelling of 1322760 in words is "one million, three hundred twenty-two thousand, seven hundred sixty".