1302285 has 16 divisors (see below), whose sum is σ = 2206656. Its totient is φ = 653568.

The previous prime is 1302281. The next prime is 1302293. The reversal of 1302285 is 5822031.

1302285 = 5² + 6² + ... + 157².

It is not a de Polignac number, because 1302285 - 2² = 1302281 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302281) 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 15 ways as a sum of consecutive naturals, for example, 2299 + ... + 2808.

It is an arithmetic number, because the mean of its divisors is an integer number (137916).

2^1302285 is an apocalyptic number.

1302285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1302285 is a deficient number, since it is larger than the sum of its proper divisors (904371).

1302285 is a wasteful number, since it uses less digits than its factorization.

1302285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1302285 is about 1141.1770239538. The cubic root of 1302285 is about 109.2031953069.

It can be divided in two parts, 130 and 2285, that added together give a triangular number (2415 = T₆₉).

The spelling of 1302285 in words is "one million, three hundred two thousand, two hundred eighty-five".