1285084 has 24 divisors (see below), whose sum is σ = 2436560. Its totient is φ = 590976.

The previous prime is 1285069. The next prime is 1285099. The reversal of 1285084 is 4805821.

It is an interprime number because it is at equal distance from previous prime (1285069) and next prime (1285099).

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 7 ways as a sum of consecutive naturals, for example, 2584 + ... + 3040.

2^1285084 is an apocalyptic number.

It is an amenable number.

1285084 is a deficient number, since it is larger than the sum of its proper divisors (1151476).

1285084 is a wasteful number, since it uses less digits than its factorization.

1285084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 1285084 is about 1133.6154550817. The cubic root of 1285084 is about 108.7202657952.

The spelling of 1285084 in words is "one million, two hundred eighty-five thousand, eighty-four".