1028065 has 8 divisors (see below), whose sum is σ = 1244160. Its totient is φ = 815472.

The previous prime is 1028063. The next prime is 1028081. The reversal of 1028065 is 5608201.

It is a happy number.

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 1028065 - 2¹ = 1028063 is a prime.

It is an Ulam number.

1028065 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1028063) 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, 175 + ... + 1444.

It is an arithmetic number, because the mean of its divisors is an integer number (155520).

2^1028065 is an apocalyptic number.

It is an amenable number.

1028065 is a deficient number, since it is larger than the sum of its proper divisors (216095).

1028065 is a wasteful number, since it uses less digits than its factorization.

1028065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1028065 is about 1013.9354022816. The cubic root of 1028065 is about 100.9268823480.

The spelling of 1028065 in words is "one million, twenty-eight thousand, sixty-five".