1028243000 has 32 divisors (see below), whose sum is σ = 2406090960. Its totient is φ = 411296800.

The previous prime is 1028242939. The next prime is 1028243009. The reversal of 1028243000 is 3428201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028243009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513122 + ... + 515121.

Almost surely, 2^1028243000 is an apocalyptic number.

1028243000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1028243000 is an abundant number, since it is smaller than the sum of its proper divisors (1377847960).

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

1028243000 is a wasteful number, since it uses less digits than its factorization.

1028243000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028264 (or 1028250 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1028243000 is about 32066.2283407326. The cubic root of 1028243000 is about 1009.3270686566.

The spelling of 1028243000 in words is "one billion, twenty-eight million, two hundred forty-three thousand".