1188224 has 16 divisors (see below), whose sum is σ = 2367420. Its totient is φ = 594048.

The previous prime is 1188223. The next prime is 1188227. The reversal of 1188224 is 4228811.

It is a tau number, because it is divible by the number of its divisors (16).

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

It is a junction number, because it is equal to n+sod(n) for n = 1188193 and 1188202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1188223) 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, 4514 + ... + 4769.

2^1188224 is an apocalyptic number.

It is an amenable number.

1188224 is a deficient number, since it is larger than the sum of its proper divisors (1179196).

1188224 is an frugal number, since it uses more digits than its factorization.

1188224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9297 (or 9285 counting only the distinct ones).

The product of its digits is 1024, while the sum is 26.

The square root of 1188224 is about 1090.0568792499. The cubic root of 1188224 is about 105.9171061905.

The spelling of 1188224 in words is "one million, one hundred eighty-eight thousand, two hundred twenty-four".