1128608 has 24 divisors (see below), whose sum is σ = 2393748. Its totient is φ = 520704.
The previous prime is 1128601. The next prime is 1128623. The reversal of 1128608 is 8068211.
It can be written as a sum of positive squares in 2 ways, for example, as 1106704 + 21904 = 1052^2 + 148^2 .
It is a Harshad number since it is a multiple of its sum of digits (26).
It is not an unprimeable number, because it can be changed into a prime (1128601) 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 3 ways as a sum of consecutive naturals, for example, 941 + ... + 1772.
21128608 is an apocalyptic number.
It is an amenable number.
1128608 is an abundant number, since it is smaller than the sum of its proper divisors (1265140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1128608 is a wasteful number, since it uses less digits than its factorization.
1128608 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2736 (or 2728 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 26.
The square root of 1128608 is about 1062.3596377875. The cubic root of 1128608 is about 104.1152568361.
The spelling of 1128608 in words is "one million, one hundred twenty-eight thousand, six hundred eight".
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