1330121003 has 4 divisors (see below), whose sum is σ = 1330420248. Its totient is φ = 1329821760.

The previous prime is 1330120997. The next prime is 1330121059. The reversal of 1330121003 is 3001210331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3001210331 = 7 ⋅428744333.

It is a cyclic number.

It is not a de Polignac number, because 1330121003 - 2¹⁴ = 1330104619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330121203) 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 3 ways as a sum of consecutive naturals, for example, 142853 + ... + 151878.

It is an arithmetic number, because the mean of its divisors is an integer number (332605062).

Almost surely, 2^1330121003 is an apocalyptic number.

1330121003 is a deficient number, since it is larger than the sum of its proper divisors (299245).

1330121003 is an equidigital number, since it uses as much as digits as its factorization.

1330121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299244.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1330121003 is about 36470.8239967237. The cubic root of 1330121003 is about 1099.7577987414.

Adding to 1330121003 its reverse (3001210331), we get a palindrome (4331331334).

The spelling of 1330121003 in words is "one billion, three hundred thirty million, one hundred twenty-one thousand, three".