1028501 has 8 divisors (see below), whose sum is σ = 1067520. Its totient is φ = 990288.

The previous prime is 1028479. The next prime is 1028509. The reversal of 1028501 is 1058201.

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 1028501 - 2⁶ = 1028437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1028501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028509) 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, 3575 + ... + 3851.

It is an arithmetic number, because the mean of its divisors is an integer number (133440).

2^1028501 is an apocalyptic number.

It is an amenable number.

1028501 is a deficient number, since it is larger than the sum of its proper divisors (39019).

1028501 is an equidigital number, since it uses as much as digits as its factorization.

1028501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1028501 is about 1014.1503833259. The cubic root of 1028501 is about 100.9411479510.

The spelling of 1028501 in words is "one million, twenty-eight thousand, five hundred one".