1028167 has 6 divisors (see below), whose sum is σ = 1196088. Its totient is φ = 881244.

The previous prime is 1028149. The next prime is 1028189. The reversal of 1028167 is 7618201.

It is not a de Polignac number, because 1028167 - 2¹¹ = 1026119 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 (1028107) 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 5 ways as a sum of consecutive naturals, for example, 10443 + ... + 10540.

It is an arithmetic number, because the mean of its divisors is an integer number (199348).

2^1028167 is an apocalyptic number.

1028167 is a deficient number, since it is larger than the sum of its proper divisors (167921).

1028167 is an equidigital number, since it uses as much as digits as its factorization.

1028167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20997 (or 20990 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 1028167 is about 1013.9857000964. The cubic root of 1028167 is about 100.9302200752.

The spelling of 1028167 in words is "one million, twenty-eight thousand, one hundred sixty-seven".