1280675 has 12 divisors (see below), whose sum is σ = 1732776. Its totient is φ = 931200.

The previous prime is 1280659. The next prime is 1280677. The reversal of 1280675 is 5760821.

It is not a de Polignac number, because 1280675 - 2⁴ = 1280659 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1280677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2054 + ... + 2603.

It is an arithmetic number, because the mean of its divisors is an integer number (144398).

2^1280675 is an apocalyptic number.

1280675 is a deficient number, since it is larger than the sum of its proper divisors (452101).

1280675 is a wasteful number, since it uses less digits than its factorization.

1280675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4678 (or 4673 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1280675 is about 1131.6691212541. The cubic root of 1280675 is about 108.5957870587.

The spelling of 1280675 in words is "one million, two hundred eighty thousand, six hundred seventy-five".