1288562 has 16 divisors (see below), whose sum is σ = 2166912. Its totient is φ = 569520.

The previous prime is 1288559. The next prime is 1288571. The reversal of 1288562 is 2658821.

It is an unprimeable number.

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, 23 + ... + 1605.

It is an arithmetic number, because the mean of its divisors is an integer number (135432).

2^1288562 is an apocalyptic number.

1288562 is a deficient number, since it is larger than the sum of its proper divisors (878350).

1288562 is a wasteful number, since it uses less digits than its factorization.

1288562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633.

The product of its digits is 7680, while the sum is 32.

The square root of 1288562 is about 1135.1484484419. The cubic root of 1288562 is about 108.8182589922.

The spelling of 1288562 in words is "one million, two hundred eighty-eight thousand, five hundred sixty-two".