1028071 has 8 divisors (see below), whose sum is σ = 1180800. Its totient is φ = 885240.

The previous prime is 1028063. The next prime is 1028081. The reversal of 1028071 is 1708201.

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 1028071 - 2³ = 1028063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028011) 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, 2251 + ... + 2668.

It is an arithmetic number, because the mean of its divisors is an integer number (147600).

2^1028071 is an apocalyptic number.

1028071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1028071 is a deficient number, since it is larger than the sum of its proper divisors (152729).

1028071 is a wasteful number, since it uses less digits than its factorization.

1028071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 1028071 is about 1013.9383610457. The cubic root of 1028071 is about 100.9270786910.

The spelling of 1028071 in words is "one million, twenty-eight thousand, seventy-one".