1028212 has 6 divisors (see below), whose sum is σ = 1799378. Its totient is φ = 514104.

The previous prime is 1028207. The next prime is 1028213. The reversal of 1028212 is 2128201.

It can be written as a sum of positive squares in only one way, i.e., 1028196 + 16 = 1014^2 + 4^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028213) 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 as a sum of consecutive naturals, namely, 128523 + ... + 128530.

2^1028212 is an apocalyptic number.

It is an amenable number.

1028212 is a deficient number, since it is larger than the sum of its proper divisors (771166).

1028212 is a wasteful number, since it uses less digits than its factorization.

1028212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257057 (or 257055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1028212 is about 1014.0078895157. The cubic root of 1028212 is about 100.9316925317.

Subtracting from 1028212 its sum of digits (16), we obtain a square (1028196 = 1014²).

The spelling of 1028212 in words is "one million, twenty-eight thousand, two hundred twelve".