1132081 has 4 divisors (see below), whose sum is σ = 1198692. Its totient is φ = 1065472.
The previous prime is 1132067. The next prime is 1132091. The reversal of 1132081 is 1802311.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1802311 = 7 ⋅257473.
It can be written as a sum of positive squares in 2 ways, for example, as 664225 + 467856 = 815^2 + 684^2 .
It is a cyclic number.
It is not a de Polignac number, because 1132081 - 29 = 1131569 is a prime.
It is a super-2 number, since 2×11320812 = 2563214781122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1132091) 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, 33280 + ... + 33313.
It is an arithmetic number, because the mean of its divisors is an integer number (299673).
21132081 is an apocalyptic number.
It is an amenable number.
1132081 is a deficient number, since it is larger than the sum of its proper divisors (66611).
1132081 is an equidigital number, since it uses as much as digits as its factorization.
1132081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66610.
The product of its (nonzero) digits is 48, while the sum is 16.
The square root of 1132081 is about 1063.9929511045. The cubic root of 1132081 is about 104.2219434263.
Adding to 1132081 its reverse (1802311), we get a palindrome (2934392).
The spelling of 1132081 in words is "one million, one hundred thirty-two thousand, eighty-one".
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