1288375 has 16 divisors (see below), whose sum is σ = 1755936. Its totient is φ = 936000.

The previous prime is 1288367. The next prime is 1288393. The reversal of 1288375 is 5738821.

It is not a de Polignac number, because 1288375 - 2³ = 1288367 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1288375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 907 + ... + 1843.

It is an arithmetic number, because the mean of its divisors is an integer number (109746).

2^1288375 is an apocalyptic number.

1288375 is a deficient number, since it is larger than the sum of its proper divisors (467561).

1288375 is an equidigital number, since it uses as much as digits as its factorization.

1288375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 953 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 1288375 is about 1135.0660773717. The cubic root of 1288375 is about 108.8129947264.

The spelling of 1288375 in words is "one million, two hundred eighty-eight thousand, three hundred seventy-five".