1330942028 has 12 divisors (see below), whose sum is σ = 2508313920. Its totient is φ = 614280912.

The previous prime is 1330942013. The next prime is 1330942117. The reversal of 1330942028 is 8202490331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1330941985 and 1330942003.

It is an unprimeable number.

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, 12797468 + ... + 12797571.

It is an arithmetic number, because the mean of its divisors is an integer number (209026160).

Almost surely, 2^1330942028 is an apocalyptic number.

It is an amenable number.

1330942028 is a deficient number, since it is larger than the sum of its proper divisors (1177371892).

1330942028 is a wasteful number, since it uses less digits than its factorization.

1330942028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25595056 (or 25595054 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1330942028 is about 36482.0781754549. The cubic root of 1330942028 is about 1099.9840295202.

The spelling of 1330942028 in words is "one billion, three hundred thirty million, nine hundred forty-two thousand, twenty-eight".