1330534123 has 4 divisors (see below), whose sum is σ = 1376414640. Its totient is φ = 1284653608.

The previous prime is 1330534103. The next prime is 1330534129. The reversal of 1330534123 is 3214350331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1330534123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330534129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22940215 + ... + 22940272.

It is an arithmetic number, because the mean of its divisors is an integer number (344103660).

Almost surely, 2^1330534123 is an apocalyptic number.

1330534123 is a deficient number, since it is larger than the sum of its proper divisors (45880517).

1330534123 is an equidigital number, since it uses as much as digits as its factorization.

1330534123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45880516.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 1330534123 is about 36476.4872623448. The cubic root of 1330534123 is about 1099.8716442518.

Adding to 1330534123 its reverse (3214350331), we get a palindrome (4544884454).

The spelling of 1330534123 in words is "one billion, three hundred thirty million, five hundred thirty-four thousand, one hundred twenty-three".