1130720 has 48 divisors (see below), whose sum is σ = 2757888. Its totient is φ = 437760.

The previous prime is 1130719. The next prime is 1130737. The reversal of 1130720 is 270311.

It is a junction number, because it is equal to n+sod(n) for n = 1130695 and 1130704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5825 + ... + 6015.

It is an arithmetic number, because the mean of its divisors is an integer number (57456).

2^1130720 is an apocalyptic number.

1130720 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 1130720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378944).

1130720 is an abundant number, since it is smaller than the sum of its proper divisors (1627168).

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

1130720 is a wasteful number, since it uses less digits than its factorization.

1130720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 1130720 is about 1063.3531868575. The cubic root of 1130720 is about 104.1801610962.

The spelling of 1130720 in words is "one million, one hundred thirty thousand, seven hundred twenty".