1132889 has 4 divisors (see below), whose sum is σ = 1135056. Its totient is φ = 1130724.
The previous prime is 1132883. The next prime is 1132909. The reversal of 1132889 is 9882311.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9882311 = 1213 ⋅8147.
It is a cyclic number.
It is not a de Polignac number, because 1132889 - 28 = 1132633 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1132883) 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, 242 + ... + 1524.
It is an arithmetic number, because the mean of its divisors is an integer number (283764).
21132889 is an apocalyptic number.
It is an amenable number.
1132889 is a deficient number, since it is larger than the sum of its proper divisors (2167).
1132889 is an equidigital number, since it uses as much as digits as its factorization.
1132889 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2166.
The product of its digits is 3456, while the sum is 32.
The square root of 1132889 is about 1064.3725851411. The cubic root of 1132889 is about 104.2467329668.
The spelling of 1132889 in words is "one million, one hundred thirty-two thousand, eight hundred eighty-nine".
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