1122321 has 8 divisors (see below), whose sum is σ = 1537024. Its totient is φ = 727920.

The previous prime is 1122287. The next prime is 1122367. The reversal of 1122321 is 1232211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1122321 - 2¹⁰ = 1121297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122297 and 1122306.

It is not an unprimeable number, because it can be changed into a prime (1122371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4945 + ... + 5166.

It is an arithmetic number, because the mean of its divisors is an integer number (192128).

2^1122321 is an apocalyptic number.

It is an amenable number.

1122321 is a deficient number, since it is larger than the sum of its proper divisors (414703).

1122321 is a wasteful number, since it uses less digits than its factorization.

1122321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10151.

The product of its digits is 24, while the sum is 12.

The square root of 1122321 is about 1059.3965263300. The cubic root of 1122321 is about 103.9215693187.

Adding to 1122321 its reverse (1232211), we get a palindrome (2354532).

It can be divided in two parts, 112 and 2321, that multiplied together give a palindrome (259952).

The spelling of 1122321 in words is "one million, one hundred twenty-two thousand, three hundred twenty-one".