1028145 has 8 divisors (see below), whose sum is σ = 1645056. Its totient is φ = 548336.

The previous prime is 1028141. The next prime is 1028149. The reversal of 1028145 is 5418201.

1028145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1028141) and next prime (1028149).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1028145 - 2² = 1028141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1028141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34257 + ... + 34286.

It is an arithmetic number, because the mean of its divisors is an integer number (205632).

2^1028145 is an apocalyptic number.

1028145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1028145 is a deficient number, since it is larger than the sum of its proper divisors (616911).

1028145 is an equidigital number, since it uses as much as digits as its factorization.

1028145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68551.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1028145 is about 1013.9748517592. The cubic root of 1028145 is about 100.9295001919.

The spelling of 1028145 in words is "one million, twenty-eight thousand, one hundred forty-five".