1285063 has 8 divisors (see below), whose sum is σ = 1418256. Its totient is φ = 1156800.

The previous prime is 1285061. The next prime is 1285069. The reversal of 1285063 is 3605821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1285063 - 2¹ = 1285061 is a prime.

It is a Duffinian number.

1285063 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285061) by changing a digit.

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, 673 + ... + 1738.

It is an arithmetic number, because the mean of its divisors is an integer number (177282).

2^1285063 is an apocalyptic number.

1285063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1285063 is a deficient number, since it is larger than the sum of its proper divisors (133193).

1285063 is a wasteful number, since it uses less digits than its factorization.

1285063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1285063 is about 1133.6061926436. The cubic root of 1285063 is about 108.7196735802.

The spelling of 1285063 in words is "one million, two hundred eighty-five thousand, sixty-three".