1279485 has 12 divisors (see below), whose sum is σ = 2217852. Its totient is φ = 682368.

The previous prime is 1279483. The next prime is 1279493. The reversal of 1279485 is 5849721.

It can be written as a sum of positive squares in 2 ways, for example, as 480249 + 799236 = 693^2 + 894^2 .

It is not a de Polignac number, because 1279485 - 2¹ = 1279483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279483) 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 11 ways as a sum of consecutive naturals, for example, 14172 + ... + 14261.

It is an arithmetic number, because the mean of its divisors is an integer number (184821).

2^1279485 is an apocalyptic number.

1279485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1279485 is a deficient number, since it is larger than the sum of its proper divisors (938367).

1279485 is a wasteful number, since it uses less digits than its factorization.

1279485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28444 (or 28441 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 1279485 is about 1131.1432270053. The cubic root of 1279485 is about 108.5621409909.

It can be divided in two parts, 1279 and 485, that added together give a square (1764 = 42²).

The spelling of 1279485 in words is "one million, two hundred seventy-nine thousand, four hundred eighty-five".