1016887 has 4 divisors (see below), whose sum is σ = 1026000. Its totient is φ = 1007776.

The previous prime is 1016881. The next prime is 1016891. The reversal of 1016887 is 7886101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7886101 = 67 ⋅117703.

It is a cyclic number.

It is not a de Polignac number, because 1016887 - 2³ = 1016879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016881) 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 3 ways as a sum of consecutive naturals, for example, 4387 + ... + 4612.

It is an arithmetic number, because the mean of its divisors is an integer number (256500).

2^1016887 is an apocalyptic number.

1016887 is a deficient number, since it is larger than the sum of its proper divisors (9113).

1016887 is an equidigital number, since it uses as much as digits as its factorization.

1016887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9112.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 1016887 is about 1008.4081514942. The cubic root of 1016887 is about 100.5597608317.

The spelling of 1016887 in words is "one million, sixteen thousand, eight hundred eighty-seven".