1188288 has 42 divisors (see below), whose sum is σ = 3407664. Its totient is φ = 395904.

The previous prime is 1188287. The next prime is 1188289. The reversal of 1188288 is 8828811.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1188287) and next prime (1188289).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1188287) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 456 + ... + 1607.

2^1188288 is an apocalyptic number.

1188288 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1188288 is an abundant number, since it is smaller than the sum of its proper divisors (2219376).

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

1188288 is a wasteful number, since it uses less digits than its factorization.

1188288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081 (or 2068 counting only the distinct ones).

The product of its digits is 8192, while the sum is 36.

The square root of 1188288 is about 1090.0862351209. The cubic root of 1188288 is about 105.9190077885.

The spelling of 1188288 in words is "one million, one hundred eighty-eight thousand, two hundred eighty-eight".