1330221123 has 144 divisors (see below), whose sum is σ = 2621219328. Its totient is φ = 658627200.

The previous prime is 1330221089. The next prime is 1330221127. The reversal of 1330221123 is 3211220331.

It is not a de Polignac number, because 1330221123 - 2¹⁴ = 1330204739 is a prime.

It is a super-2 number, since 2×1330221123² = 3538976472150762258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1330221096 and 1330221105.

It is not an unprimeable number, because it can be changed into a prime (1330221127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4733743 + ... + 4734023.

It is an arithmetic number, because the mean of its divisors is an integer number (18202912).

Almost surely, 2^1330221123 is an apocalyptic number.

1330221123 is a deficient number, since it is larger than the sum of its proper divisors (1290998205).

1330221123 is a wasteful number, since it uses less digits than its factorization.

1330221123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1330221123 is about 36472.1965749254. The cubic root of 1330221123 is about 1099.7853914662.

Adding to 1330221123 its reverse (3211220331), we get a palindrome (4541441454).

The spelling of 1330221123 in words is "one billion, three hundred thirty million, two hundred twenty-one thousand, one hundred twenty-three".