1147244 has 12 divisors (see below), whose sum is σ = 2294544. Its totient is φ = 491664.

The previous prime is 1147243. The next prime is 1147247. The reversal of 1147244 is 4427411.

It is a happy number.

1147244 is an admirable number.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1147243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20459 + ... + 20514.

It is an arithmetic number, because the mean of its divisors is an integer number (191212).

2^1147244 is an apocalyptic number.

1147244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1147244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1147244 is a wasteful number, since it uses less digits than its factorization.

1147244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40984 (or 40982 counting only the distinct ones).

The product of its digits is 896, while the sum is 23.

The square root of 1147244 is about 1071.0947670491. The cubic root of 1147244 is about 104.6851946771.

The spelling of 1147244 in words is "one million, one hundred forty-seven thousand, two hundred forty-four".