1266082028 has 12 divisors (see below), whose sum is σ = 2215930920. Its totient is φ = 632958912.

The previous prime is 1266082001. The next prime is 1266082031. The reversal of 1266082028 is 8202806621.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25775 + ... + 56537.

It is an arithmetic number, because the mean of its divisors is an integer number (184660910).

Almost surely, 2^1266082028 is an apocalyptic number.

It is an amenable number.

1266082028 is a deficient number, since it is larger than the sum of its proper divisors (949848892).

1266082028 is a wasteful number, since it uses less digits than its factorization.

1266082028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41056 (or 41054 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 1266082028 is about 35582.0464279389. The cubic root of 1266082028 is about 1081.8173642216.

Adding to 1266082028 its reverse (8202806621), we get a palindrome (9468888649).

The spelling of 1266082028 in words is "one billion, two hundred sixty-six million, eighty-two thousand, twenty-eight".