1280108 has 6 divisors (see below), whose sum is σ = 2240196. Its totient is φ = 640052.

The previous prime is 1280107. The next prime is 1280113. The reversal of 1280108 is 8010821.

It is a self number, because there is not a number n which added to its sum of digits gives 1280108.

It is not an unprimeable number, because it can be changed into a prime (1280101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160010 + ... + 160017.

It is an arithmetic number, because the mean of its divisors is an integer number (373366).

2^1280108 is an apocalyptic number.

It is an amenable number.

1280108 is a deficient number, since it is larger than the sum of its proper divisors (960088).

1280108 is a wasteful number, since it uses less digits than its factorization.

1280108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320031 (or 320029 counting only the distinct ones).

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

The square root of 1280108 is about 1131.4185785995. The cubic root of 1280108 is about 108.5797582977.

Adding to 1280108 its reverse (8010821), we get a palindrome (9290929).

The spelling of 1280108 in words is "one million, two hundred eighty thousand, one hundred eight".