1126321 has 4 divisors (see below), whose sum is σ = 1287232. Its totient is φ = 965412.

The previous prime is 1126319. The next prime is 1126343. The reversal of 1126321 is 1236211.

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 not a de Polignac number, because 1126321 - 2¹ = 1126319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1126295 and 1126304.

It is not an unprimeable number, because it can be changed into a prime (1126351) 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, 80445 + ... + 80458.

It is an arithmetic number, because the mean of its divisors is an integer number (321808).

2^1126321 is an apocalyptic number.

It is an amenable number.

1126321 is a deficient number, since it is larger than the sum of its proper divisors (160911).

1126321 is an equidigital number, since it uses as much as digits as its factorization.

1126321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160910.

The product of its digits is 72, while the sum is 16.

The square root of 1126321 is about 1061.2827144545. The cubic root of 1126321 is about 104.0448832404.

The spelling of 1126321 in words is "one million, one hundred twenty-six thousand, three hundred twenty-one".