1288359 has 8 divisors (see below), whose sum is σ = 1908720. Its totient is φ = 858888.

The previous prime is 1288349. The next prime is 1288361. The reversal of 1288359 is 9538821.

It is not a de Polignac number, because 1288359 - 2⁸ = 1288103 is a prime.

1288359 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1288349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23832 + ... + 23885.

It is an arithmetic number, because the mean of its divisors is an integer number (238590).

2^1288359 is an apocalyptic number.

1288359 is a deficient number, since it is larger than the sum of its proper divisors (620361).

1288359 is an equidigital number, since it uses as much as digits as its factorization.

1288359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47726 (or 47720 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 1288359 is about 1135.0590293020. The cubic root of 1288359 is about 108.8125442842.

The spelling of 1288359 in words is "one million, two hundred eighty-eight thousand, three hundred fifty-nine".