1020575 has 6 divisors (see below), whose sum is σ = 1265544. Its totient is φ = 816440.

The previous prime is 1020557. The next prime is 1020583. The reversal of 1020575 is 5750201.

1020575 is nontrivially palindromic in base 16.

It is not a de Polignac number, because 1020575 - 2¹⁶ = 955039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20387 + ... + 20436.

It is an arithmetic number, because the mean of its divisors is an integer number (210924).

2^1020575 is an apocalyptic number.

1020575 is a deficient number, since it is larger than the sum of its proper divisors (244969).

1020575 is an equidigital number, since it uses as much as digits as its factorization.

1020575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40833 (or 40828 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 1020575 is about 1010.2351211475. The cubic root of 1020575 is about 100.6811826988.

Adding to 1020575 its reverse (5750201), we get a palindrome (6770776).

The spelling of 1020575 in words is "one million, twenty thousand, five hundred seventy-five".