1108280 has 32 divisors (see below), whose sum is σ = 2527200. Its totient is φ = 437376.

The previous prime is 1108267. The next prime is 1108313. The reversal of 1108280 is 828011.

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

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, 3986 + ... + 4254.

It is an arithmetic number, because the mean of its divisors is an integer number (78975).

2^1108280 is an apocalyptic number.

1108280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1108280 is an abundant number, since it is smaller than the sum of its proper divisors (1418920).

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

1108280 is a wasteful number, since it uses less digits than its factorization.

1108280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 1108280 is about 1052.7487829487. The cubic root of 1108280 is about 103.4863728393.

The spelling of 1108280 in words is "one million, one hundred eight thousand, two hundred eighty".