1122031321 has 8 divisors (see below), whose sum is σ = 1140660288. Its totient is φ = 1103550000.

The previous prime is 1122031319. The next prime is 1122031343. The reversal of 1122031321 is 1231302211.

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

It is a cyclic number.

It is not a de Polignac number, because 1122031321 - 2¹ = 1122031319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122031295 and 1122031304.

It is not an unprimeable number, because it can be changed into a prime (1122031381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21535 + ... + 52036.

It is an arithmetic number, because the mean of its divisors is an integer number (142582536).

Almost surely, 2^1122031321 is an apocalyptic number.

It is an amenable number.

1122031321 is a deficient number, since it is larger than the sum of its proper divisors (18628967).

1122031321 is a wasteful number, since it uses less digits than its factorization.

1122031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73823.

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

The square root of 1122031321 is about 33496.7359753156. The cubic root of 1122031321 is about 1039.1262758500.

Adding to 1122031321 its reverse (1231302211), we get a palindrome (2353333532).

The spelling of 1122031321 in words is "one billion, one hundred twenty-two million, thirty-one thousand, three hundred twenty-one".