1000975 has 6 divisors (see below), whose sum is σ = 1241240. Its totient is φ = 800760.

The previous prime is 1000973. The next prime is 1000981. The reversal of 1000975 is 5790001.

It is not a de Polignac number, because 1000975 - 2¹ = 1000973 is a prime.

1000975 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19995 + ... + 20044.

2^1000975 is an apocalyptic number.

1000975 is a deficient number, since it is larger than the sum of its proper divisors (240265).

1000975 is an equidigital number, since it uses as much as digits as its factorization.

1000975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40049 (or 40044 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 1000975 is about 1000.4873812298. The cubic root of 1000975 is about 100.0324894432.

Adding to 1000975 its reverse (5790001), we get a palindrome (6790976).

The spelling of 1000975 in words is "one million, nine hundred seventy-five", and thus it is an aban number.