1132021 has 4 divisors (see below), whose sum is σ = 1234944.
Its totient is φ = 1029100.
The previous prime is 1132009. The next prime is 1132063. The reversal of 1132021 is 1202311.
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.
It is a cyclic number.
It is not a de Polignac number, because 1132021 - 29 = 1131509 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1131989 and 1132007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1132091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51445 + ... + 51466.
It is an arithmetic number, because the mean of its divisors is an integer number (308736).
21132021 is an apocalyptic number.
1132021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1132021 is a deficient number, since it is larger than the sum of its proper divisors (102923).
1132021 is a wasteful number, since it uses less digits than its factorization.
1132021 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102922.
The product of its (nonzero) digits is 12, while the sum is 10.
The square root of 1132021 is about 1063.9647550554.
The cubic root of 1132021 is about 104.2201021484.
Adding to 1132021 its reverse (1202311), we get a palindrome (2334332).
The spelling of 1132021 in words is "one million, one hundred thirty-two thousand, twenty-one".