1028069 has 6 divisors (see below), whose sum is σ = 1195974. Its totient is φ = 881160.

The previous prime is 1028063. The next prime is 1028081. The reversal of 1028069 is 9608201.

It can be written as a sum of positive squares in only one way, i.e., 879844 + 148225 = 938^2 + 385^2 .

It is not a de Polignac number, because 1028069 - 2¹² = 1023973 is a prime.

It is a super-2 number, since 2×1028069² = 2113851737522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 10442 + ... + 10539.

It is an arithmetic number, because the mean of its divisors is an integer number (199329).

2^1028069 is an apocalyptic number.

It is an amenable number.

1028069 is a deficient number, since it is larger than the sum of its proper divisors (167905).

1028069 is an equidigital number, since it uses as much as digits as its factorization.

1028069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20995 (or 20988 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1028069 is about 1013.9373747920. The cubic root of 1028069 is about 100.9270132434.

The spelling of 1028069 in words is "one million, twenty-eight thousand, sixty-nine".