1163560 has 32 divisors (see below), whose sum is σ = 2757600. Its totient is φ = 440640.

The previous prime is 1163557. The next prime is 1163581. The reversal of 1163560 is 653611.

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, 6 + ... + 1525.

It is an arithmetic number, because the mean of its divisors is an integer number (86175).

2^1163560 is an apocalyptic number.

1163560 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 1163560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378800).

1163560 is an abundant number, since it is smaller than the sum of its proper divisors (1594040).

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

1163560 is a wasteful number, since it uses less digits than its factorization.

1163560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561 (or 1557 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1163560 is about 1078.6843838677. The cubic root of 1163560 is about 105.1791348789.

The spelling of 1163560 in words is "one million, one hundred sixty-three thousand, five hundred sixty".