981027 has 12 divisors (see below), whose sum is σ = 1491880. Its totient is φ = 619488.

The previous prime is 981023. The next prime is 981037. The reversal of 981027 is 720189.

It is not a de Polignac number, because 981027 - 2² = 981023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (981023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2698 + ... + 3039.

2⁹⁸¹⁰²⁷ is an apocalyptic number.

981027 is a deficient number, since it is larger than the sum of its proper divisors (510853).

981027 is a wasteful number, since it uses less digits than its factorization.

981027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5762 (or 5759 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 981027 is about 990.4680711664. The cubic root of 981027 is about 99.3635242474.

The spelling of 981027 in words is "nine hundred eighty-one thousand, twenty-seven".