1147224 has 32 divisors (see below), whose sum is σ = 3089520. Its totient is φ = 352896.

The previous prime is 1147213. The next prime is 1147229. The reversal of 1147224 is 4227411.

It is a happy number.

It is a super-2 number, since 2×1147224² = 2632245812352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1147224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147229) 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, 1527 + ... + 2150.

2^1147224 is an apocalyptic number.

It is an amenable number.

1147224 is an abundant number, since it is smaller than the sum of its proper divisors (1942296).

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

1147224 is a wasteful number, since it uses less digits than its factorization.

1147224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699 (or 3695 counting only the distinct ones).

The product of its digits is 448, while the sum is 21.

The square root of 1147224 is about 1071.0854307664. The cubic root of 1147224 is about 104.6845863450.

The spelling of 1147224 in words is "one million, one hundred forty-seven thousand, two hundred twenty-four".