1181244 has 24 divisors (see below), whose sum is σ = 2777040. Its totient is φ = 390784.

The previous prime is 1181237. The next prime is 1181263. The reversal of 1181244 is 4421811.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1181244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1792 + ... + 2360.

It is an arithmetic number, because the mean of its divisors is an integer number (115710).

2^1181244 is an apocalyptic number.

It is an amenable number.

1181244 is an abundant number, since it is smaller than the sum of its proper divisors (1595796).

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

1181244 is a wasteful number, since it uses less digits than its factorization.

1181244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 747 counting only the distinct ones).

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

The square root of 1181244 is about 1086.8504956985. The cubic root of 1181244 is about 105.7093020017.

The spelling of 1181244 in words is "one million, one hundred eighty-one thousand, two hundred forty-four".