1172544 has 56 divisors (see below), whose sum is σ = 3218688. Its totient is φ = 376320.

The previous prime is 1172543. The next prime is 1172573. The reversal of 1172544 is 4452711.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1172543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5854 + ... + 6050.

2^1172544 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 1172544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1609344).

1172544 is an abundant number, since it is smaller than the sum of its proper divisors (2046144).

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

1172544 is a wasteful number, since it uses less digits than its factorization.

1172544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 233 counting only the distinct ones).

The product of its digits is 1120, while the sum is 24.

The square root of 1172544 is about 1082.8407085070. The cubic root of 1172544 is about 105.4491417978.

The spelling of 1172544 in words is "one million, one hundred seventy-two thousand, five hundred forty-four".