1285168 has 20 divisors (see below), whose sum is σ = 2544480. Its totient is φ = 628544.

The previous prime is 1285159. The next prime is 1285169. The reversal of 1285168 is 8615821.

It is not an unprimeable number, because it can be changed into a prime (1285169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103 + ... + 1606.

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

2^1285168 is an apocalyptic number.

It is an amenable number.

1285168 is a deficient number, since it is larger than the sum of its proper divisors (1259312).

1285168 is a wasteful number, since it uses less digits than its factorization.

1285168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764 (or 1758 counting only the distinct ones).

The product of its digits is 3840, while the sum is 31.

The square root of 1285168 is about 1133.6525040770. The cubic root of 1285168 is about 108.7226345907.

The spelling of 1285168 in words is "one million, two hundred eighty-five thousand, one hundred sixty-eight".