1120580 has 24 divisors (see below), whose sum is σ = 2409792. Its totient is φ = 437472.

The previous prime is 1120577. The next prime is 1120591. The reversal of 1120580 is 850211.

1120580 = T₆₆₇ + T₆₆₈ + ... + T₆₇₁.

It is a plaindrome in base 7.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209 + ... + 1511.

It is an arithmetic number, because the mean of its divisors is an integer number (100408).

2^1120580 is an apocalyptic number.

1120580 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 1120580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1204896).

1120580 is an abundant number, since it is smaller than the sum of its proper divisors (1289212).

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

1120580 is a wasteful number, since it uses less digits than its factorization.

1120580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1120580 is about 1058.5745132016. The cubic root of 1120580 is about 103.8678054112.

Adding to 1120580 its reverse (850211), we get a palindrome (1970791).

The spelling of 1120580 in words is "one million, one hundred twenty thousand, five hundred eighty".