1001875 has 20 divisors (see below), whose sum is σ = 1437040. Its totient is φ = 684000.

The previous prime is 1001839. The next prime is 1001911. The reversal of 1001875 is 5781001.

It is an interprime number because it is at equal distance from previous prime (1001839) and next prime (1001911).

It is not a de Polignac number, because 1001875 - 2¹³ = 993683 is a prime.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 4261 + ... + 4489.

It is an arithmetic number, because the mean of its divisors is an integer number (71852).

2^1001875 is an apocalyptic number.

1001875 is a deficient number, since it is larger than the sum of its proper divisors (435165).

1001875 is an frugal number, since it uses more digits than its factorization.

1001875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 1001875 is about 1000.9370609584. The cubic root of 1001875 is about 100.0624609781.

Adding to 1001875 its reverse (5781001), we get a palindrome (6782876).

The spelling of 1001875 in words is "one million, one thousand, eight hundred seventy-five".