1182144 has 56 divisors (see below), whose sum is σ = 3218688. Its totient is φ = 382720.

The previous prime is 1182143. The next prime is 1182157. The reversal of 1182144 is 4412811.

It is a happy number.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1182144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1182143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8959 + ... + 9089.

2^1182144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1182144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1609344).

1182144 is an abundant number, since it is smaller than the sum of its proper divisors (2036544).

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

1182144 is a wasteful number, since it uses less digits than its factorization.

1182144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 183 counting only the distinct ones).

The product of its digits is 256, while the sum is 21.

The square root of 1182144 is about 1087.2644572504. The cubic root of 1182144 is about 105.7361421295.

Adding to 1182144 its reverse (4412811), we get a palindrome (5594955).

It can be divided in two parts, 1182 and 144, that added together give a triangular number (1326 = T₅₁).

The spelling of 1182144 in words is "one million, one hundred eighty-two thousand, one hundred forty-four".