1128244 has 18 divisors (see below), whose sum is σ = 2139270. Its totient is φ = 520416.
The previous prime is 1128233. The next prime is 1128247. The reversal of 1128244 is 4428211.
It can be written as a sum of positive squares in 3 ways, for example, as 400 + 1127844 = 20^2 + 1062^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1128247) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159 + ... + 1510.
21128244 is an apocalyptic number.
It is an amenable number.
1128244 is a deficient number, since it is larger than the sum of its proper divisors (1011026).
1128244 is a wasteful number, since it uses less digits than its factorization.
1128244 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1699 (or 1684 counting only the distinct ones).
The product of its digits is 512, while the sum is 22.
The square root of 1128244 is about 1062.1883072224. The cubic root of 1128244 is about 104.1040625069.
The spelling of 1128244 in words is "one million, one hundred twenty-eight thousand, two hundred forty-four".
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