1280875 has 8 divisors (see below), whose sum is σ = 1598688. Its totient is φ = 1024600.

The previous prime is 1280869. The next prime is 1280887. The reversal of 1280875 is 5780821.

It is not a de Polignac number, because 1280875 - 2¹⁷ = 1149803 is a prime.

It is a Duffinian number.

1280875 is a lucky 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, 4999 + ... + 5248.

It is an arithmetic number, because the mean of its divisors is an integer number (199836).

2^1280875 is an apocalyptic number.

1280875 is a deficient number, since it is larger than the sum of its proper divisors (317813).

1280875 is an equidigital number, since it uses as much as digits as its factorization.

1280875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10262 (or 10252 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 1280875 is about 1131.7574828558. The cubic root of 1280875 is about 108.6014398140.

The spelling of 1280875 in words is "one million, two hundred eighty thousand, eight hundred seventy-five".