1021882 has 4 divisors (see below), whose sum is σ = 1532826. Its totient is φ = 510940.

The previous prime is 1021879. The next prime is 1021897. The reversal of 1021882 is 2881201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2881201 = 67 ⋅43003.

It can be written as a sum of positive squares in only one way, i.e., 1002001 + 19881 = 1001^2 + 141^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255469 + ... + 255472.

2^1021882 is an apocalyptic number.

1021882 is a deficient number, since it is larger than the sum of its proper divisors (510944).

1021882 is an equidigital number, since it uses as much as digits as its factorization.

1021882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510943.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 1021882 is about 1010.8817932874. The cubic root of 1021882 is about 100.7241435042.

The spelling of 1021882 in words is "one million, twenty-one thousand, eight hundred eighty-two".