1282880 has 56 divisors (see below), whose sum is σ = 3230880. Its totient is φ = 483840.

The previous prime is 1282877. The next prime is 1282903. The reversal of 1282880 is 882821.

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, 5975 + ... + 6185.

2^1282880 is an apocalyptic number.

1282880 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 1282880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615440).

1282880 is an abundant number, since it is smaller than the sum of its proper divisors (1948000).

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

1282880 is a wasteful number, since it uses less digits than its factorization.

1282880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 1282880 is about 1132.6429269633. The cubic root of 1282880 is about 108.6580761941.

The spelling of 1282880 in words is "one million, two hundred eighty-two thousand, eight hundred eighty".