1280833 has 2 divisors, whose sum is σ = 1280834. Its totient is φ = 1280832.

The previous prime is 1280821. The next prime is 1280837. The reversal of 1280833 is 3380821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 935089 + 345744 = 967^2 + 588^2 .

It is a cyclic number.

It is not a de Polignac number, because 1280833 - 2¹³ = 1272641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1280798 and 1280807.

It is not a weakly prime, because it can be changed into another prime (1280837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640416 + 640417.

It is an arithmetic number, because the mean of its divisors is an integer number (640417).

2^1280833 is an apocalyptic number.

It is an amenable number.

1280833 is a deficient number, since it is larger than the sum of its proper divisors (1).

1280833 is an equidigital number, since it uses as much as digits as its factorization.

1280833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1280833 is about 1131.7389274917. The cubic root of 1280833 is about 108.6002527842.

The spelling of 1280833 in words is "one million, two hundred eighty thousand, eight hundred thirty-three".