1028122 has 4 divisors (see below), whose sum is σ = 1542186. Its totient is φ = 514060.

The previous prime is 1028117. The next prime is 1028129. The reversal of 1028122 is 2218201.

1028122 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 only one way, i.e., 690561 + 337561 = 831^2 + 581^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1028096 and 1028105.

It is not an unprimeable number, because it can be changed into a prime (1028129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257029 + ... + 257032.

2^1028122 is an apocalyptic number.

1028122 is a deficient number, since it is larger than the sum of its proper divisors (514064).

1028122 is an equidigital number, since it uses as much as digits as its factorization.

1028122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514063.

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

The square root of 1028122 is about 1013.9635101916. The cubic root of 1028122 is about 100.9287475757.

The spelling of 1028122 in words is "one million, twenty-eight thousand, one hundred twenty-two".