1024280 has 32 divisors (see below), whose sum is σ = 2386800. Its totient is φ = 395136.

The previous prime is 1024277. The next prime is 1024307. The reversal of 1024280 is 824201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719 + ... + 1601.

2^1024280 is an apocalyptic number.

1024280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1024280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1193400).

1024280 is an abundant number, since it is smaller than the sum of its proper divisors (1362520).

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

1024280 is a wasteful number, since it uses less digits than its factorization.

1024280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923 (or 919 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1024280 is about 1012.0671914453. The cubic root of 1024280 is about 100.8028700787.

Adding to 1024280 its reverse (824201), we get a palindrome (1848481).

The spelling of 1024280 in words is "one million, twenty-four thousand, two hundred eighty".