1285108 has 12 divisors (see below), whose sum is σ = 2453472. Its totient is φ = 584120.

The previous prime is 1285099. The next prime is 1285111. The reversal of 1285108 is 8015821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14560 + ... + 14647.

It is an arithmetic number, because the mean of its divisors is an integer number (204456).

2^1285108 is an apocalyptic number.

It is an amenable number.

1285108 is a deficient number, since it is larger than the sum of its proper divisors (1168364).

1285108 is a wasteful number, since it uses less digits than its factorization.

1285108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29222 (or 29220 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 1285108 is about 1133.6260406324. The cubic root of 1285108 is about 108.7209426044.

The spelling of 1285108 in words is "one million, two hundred eighty-five thousand, one hundred eight".