1288259 has 12 divisors (see below), whose sum is σ = 1526688. Its totient is φ = 1083600.

The previous prime is 1288249. The next prime is 1288291. The reversal of 1288259 is 9528821.

It is not a de Polignac number, because 1288259 - 2⁸ = 1288003 is a prime.

It is a super-2 number, since 2×1288259² = 3319222502162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1288249) 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, 2774 + ... + 3204.

It is an arithmetic number, because the mean of its divisors is an integer number (127224).

2^1288259 is an apocalyptic number.

1288259 is a deficient number, since it is larger than the sum of its proper divisors (238429).

1288259 is an equidigital number, since it uses as much as digits as its factorization.

1288259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 499 counting only the distinct ones).

The product of its digits is 11520, while the sum is 35.

The square root of 1288259 is about 1135.0149778747. The cubic root of 1288259 is about 108.8097289365.

The spelling of 1288259 in words is "one million, two hundred eighty-eight thousand, two hundred fifty-nine".