1279085 has 8 divisors (see below), whose sum is σ = 1541400. Its totient is φ = 1018944.

The previous prime is 1279081. The next prime is 1279087. The reversal of 1279085 is 5809721.

It can be written as a sum of positive squares in 4 ways, for example, as 609961 + 669124 = 781^2 + 818^2 .

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 1279085 - 2² = 1279081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1379 + ... + 2111.

It is an arithmetic number, because the mean of its divisors is an integer number (192675).

2^1279085 is an apocalyptic number.

It is an amenable number.

1279085 is a deficient number, since it is larger than the sum of its proper divisors (262315).

1279085 is an equidigital number, since it uses as much as digits as its factorization.

1279085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1279085 is about 1130.9664009156. The cubic root of 1279085 is about 108.5508267037.

It can be divided in two parts, 12 and 79085, that added together give a palindrome (79097).

The spelling of 1279085 in words is "one million, two hundred seventy-nine thousand, eighty-five".