1001873 has 4 divisors (see below), whose sum is σ = 1013220. Its totient is φ = 990528.

The previous prime is 1001839. The next prime is 1001911. The reversal of 1001873 is 3781001.

1001873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 528529 + 473344 = 727^2 + 688^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001873 - 2⁶ = 1001809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5540 + ... + 5717.

It is an arithmetic number, because the mean of its divisors is an integer number (253305).

2^1001873 is an apocalyptic number.

It is an amenable number.

1001873 is a deficient number, since it is larger than the sum of its proper divisors (11347).

1001873 is an equidigital number, since it uses as much as digits as its factorization.

1001873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11346.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1001873 is about 1000.9360618941. The cubic root of 1001873 is about 100.0623943946.

Adding to 1001873 its reverse (3781001), we get a palindrome (4782874).

The spelling of 1001873 in words is "one million, one thousand, eight hundred seventy-three".