1330878243 has 8 divisors (see below), whose sum is σ = 1774698256. Its totient is φ = 887155200.

The previous prime is 1330878239. The next prime is 1330878299. The reversal of 1330878243 is 3428780331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1330878243 - 2² = 1330878239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330878203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18603 + ... + 54843.

It is an arithmetic number, because the mean of its divisors is an integer number (221837282).

Almost surely, 2^1330878243 is an apocalyptic number.

1330878243 is a deficient number, since it is larger than the sum of its proper divisors (443820013).

1330878243 is a wasteful number, since it uses less digits than its factorization.

1330878243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48485.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 1330878243 is about 36481.2039686192. The cubic root of 1330878243 is about 1099.9664571039.

The spelling of 1330878243 in words is "one billion, three hundred thirty million, eight hundred seventy-eight thousand, two hundred forty-three".