1012688782 has 12 divisors (see below), whose sum is σ = 1767038760. Its totient is φ = 434009436.

The previous prime is 1012688773. The next prime is 1012688813. The reversal of 1012688782 is 2878862101.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 5166682 + ... + 5166877.

It is an arithmetic number, because the mean of its divisors is an integer number (147253230).

Almost surely, 2^1012688782 is an apocalyptic number.

1012688782 is a deficient number, since it is larger than the sum of its proper divisors (754349978).

1012688782 is a wasteful number, since it uses less digits than its factorization.

1012688782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10333575 (or 10333568 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 43.

The square root of 1012688782 is about 31822.7714380756. The cubic root of 1012688782 is about 1004.2118295863.

The spelling of 1012688782 in words is "one billion, twelve million, six hundred eighty-eight thousand, seven hundred eighty-two".