1122503321 has 2 divisors, whose sum is σ = 1122503322. Its totient is φ = 1122503320.

The previous prime is 1122503309. The next prime is 1122503323. The reversal of 1122503321 is 1233052211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 949317721 + 173185600 = 30811^2 + 13160^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122503321 - 2¹⁸ = 1122241177 is a prime.

Together with 1122503323, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122503293 and 1122503302.

It is not a weakly prime, because it can be changed into another prime (1122503323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561251660 + 561251661.

It is an arithmetic number, because the mean of its divisors is an integer number (561251661).

Almost surely, 2^1122503321 is an apocalyptic number.

It is an amenable number.

1122503321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122503321 is an equidigital number, since it uses as much as digits as its factorization.

1122503321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1122503321 is about 33503.7806971094. The cubic root of 1122503321 is about 1039.2719636559.

Adding to 1122503321 its reverse (1233052211), we get a palindrome (2355555532).

The spelling of 1122503321 in words is "one billion, one hundred twenty-two million, five hundred three thousand, three hundred twenty-one".