1002880 has 32 divisors (see below), whose sum is σ = 2399040. Its totient is φ = 400896.

The previous prime is 1002871. The next prime is 1002887. The reversal of 1002880 is 882001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002887) 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, 144 + ... + 1423.

It is an arithmetic number, because the mean of its divisors is an integer number (74970).

2^1002880 is an apocalyptic number.

1002880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002880 is an abundant number, since it is smaller than the sum of its proper divisors (1396160).

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

1002880 is an equidigital number, since it uses as much as digits as its factorization.

1002880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586 (or 1574 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1002880 is about 1001.4389646903. The cubic root of 1002880 is about 100.0959079872.

Adding to 1002880 its reverse (882001), we get a palindrome (1884881).

The spelling of 1002880 in words is "one million, two thousand, eight hundred eighty".