1132885 has 16 divisors (see below), whose sum is σ = 1517040. Its totient is φ = 806400.
The previous prime is 1132883. The next prime is 1132909. The reversal of 1132885 is 5882311.
It can be written as a sum of positive squares in 8 ways, for example, as 5041 + 1127844 = 71^2 + 1062^2 .
It is not a de Polignac number, because 1132885 - 21 = 1132883 is a prime.
It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 1585 + ... + 2185.
It is an arithmetic number, because the mean of its divisors is an integer number (94815).
21132885 is an apocalyptic number.
It is an amenable number.
1132885 is a deficient number, since it is larger than the sum of its proper divisors (384155).
1132885 is a wasteful number, since it uses less digits than its factorization.
1132885 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 648.
The product of its digits is 1920, while the sum is 28.
The square root of 1132885 is about 1064.3707060982. The cubic root of 1132885 is about 104.2466102753.
It can be divided in two parts, 1132 and 885, that multiplied together give a triangular number (1001820 = T1415).
The spelling of 1132885 in words is "one million, one hundred thirty-two thousand, eight hundred eighty-five".
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