1279285 has 8 divisors (see below), whose sum is σ = 1754496. Its totient is φ = 877200.

The previous prime is 1279253. The next prime is 1279303. The reversal of 1279285 is 5829721.

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

It is not a de Polignac number, because 1279285 - 2⁵ = 1279253 is a prime.

It is a super-2 number, since 2×1279285² = 3273140222450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1279285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18241 + ... + 18310.

It is an arithmetic number, because the mean of its divisors is an integer number (219312).

2^1279285 is an apocalyptic number.

It is an amenable number.

1279285 is a deficient number, since it is larger than the sum of its proper divisors (475211).

1279285 is an equidigital number, since it uses as much as digits as its factorization.

1279285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36563.

The product of its digits is 10080, while the sum is 34.

The square root of 1279285 is about 1131.0548174160. The cubic root of 1279285 is about 108.5564841421.

It can be divided in two parts, 12 and 79285, that added together give a palindrome (79297).

The spelling of 1279285 in words is "one million, two hundred seventy-nine thousand, two hundred eighty-five".