1188256 has 24 divisors (see below), whose sum is σ = 2376864. Its totient is φ = 584640.

The previous prime is 1188247. The next prime is 1188259. The reversal of 1188256 is 6528811.

It is a super-3 number, since 3×1188256³ = 5033282453337243648, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1188259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2011 + ... + 2533.

It is an arithmetic number, because the mean of its divisors is an integer number (99036).

2^1188256 is an apocalyptic number.

1188256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1188256 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1188256 is an equidigital number, since it uses as much as digits as its factorization.

1188256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 596 counting only the distinct ones).

The product of its digits is 3840, while the sum is 31.

The square root of 1188256 is about 1090.0715572842. The cubic root of 1188256 is about 105.9180569980.

It can be divided in two parts, 1188 and 256, that added together give a square (1444 = 38²).

The spelling of 1188256 in words is "one million, one hundred eighty-eight thousand, two hundred fifty-six".