1330124321 has 4 divisors (see below), whose sum is σ = 1330410672. Its totient is φ = 1329837972.

The previous prime is 1330124303. The next prime is 1330124333. The reversal of 1330124321 is 1234210331.

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 a cyclic number.

It is not a de Polignac number, because 1330124321 - 2¹⁰ = 1330123297 is a prime.

It is a super-2 number, since 2×1330124321² = 3538461418631422082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330124293 and 1330124302.

It is not an unprimeable number, because it can be changed into a prime (1330124371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136091 + ... + 145536.

It is an arithmetic number, because the mean of its divisors is an integer number (332602668).

Almost surely, 2^1330124321 is an apocalyptic number.

It is an amenable number.

1330124321 is a deficient number, since it is larger than the sum of its proper divisors (286351).

1330124321 is an equidigital number, since it uses as much as digits as its factorization.

1330124321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286350.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1330124321 is about 36470.8694851110. The cubic root of 1330124321 is about 1099.7587131929.

Adding to 1330124321 its reverse (1234210331), we get a palindrome (2564334652).

The spelling of 1330124321 in words is "one billion, three hundred thirty million, one hundred twenty-four thousand, three hundred twenty-one".