1188608 has 18 divisors (see below), whose sum is σ = 2373084. Its totient is φ = 594176.

The previous prime is 1188601. The next prime is 1188613. The reversal of 1188608 is 8068811.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1188601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2066 + ... + 2577.

It is an arithmetic number, because the mean of its divisors is an integer number (131838).

2^1188608 is an apocalyptic number.

It is an amenable number.

1188608 is a deficient number, since it is larger than the sum of its proper divisors (1184476).

1188608 is an frugal number, since it uses more digits than its factorization.

1188608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659 (or 4645 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 1188608 is about 1090.2330026192. The cubic root of 1188608 is about 105.9285147544.

The spelling of 1188608 in words is "one million, one hundred eighty-eight thousand, six hundred eight".