1022873 has 4 divisors (see below), whose sum is σ = 1083060. Its totient is φ = 962688.

The previous prime is 1022869. The next prime is 1022881. The reversal of 1022873 is 3782201.

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 937024 + 85849 = 968^2 + 293^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022873 - 2² = 1022869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022843) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30068 + ... + 30101.

It is an arithmetic number, because the mean of its divisors is an integer number (270765).

2^1022873 is an apocalyptic number.

It is an amenable number.

1022873 is a deficient number, since it is larger than the sum of its proper divisors (60187).

1022873 is an equidigital number, since it uses as much as digits as its factorization.

1022873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60186.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1022873 is about 1011.3718406205. The cubic root of 1022873 is about 100.7566930473.

Subtracting from 1022873 its product of nonzero digits (672), we obtain a palindrome (1022201).

It can be divided in two parts, 10228 and 73, that added together give a palindrome (10301).

The spelling of 1022873 in words is "one million, twenty-two thousand, eight hundred seventy-three".