1028144 has 20 divisors (see below), whose sum is σ = 2145696. Its totient is φ = 474432.

The previous prime is 1028141. The next prime is 1028149. The reversal of 1028144 is 4418201.

It is not an unprimeable number, because it can be changed into a prime (1028141) 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, 2264 + ... + 2679.

2^1028144 is an apocalyptic number.

It is an amenable number.

1028144 is an abundant number, since it is smaller than the sum of its proper divisors (1117552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1028144 is a wasteful number, since it uses less digits than its factorization.

1028144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4964 (or 4958 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1028144 is about 1013.9743586502. The cubic root of 1028144 is about 100.9294674697.

The spelling of 1028144 in words is "one million, twenty-eight thousand, one hundred forty-four".