1285479 has 12 divisors (see below), whose sum is σ = 1999816. Its totient is φ = 790992.

The previous prime is 1285469. The next prime is 1285481. The reversal of 1285479 is 9745821.

1285479 = 127² + 128² + ... + 180².

It is not a de Polignac number, because 1285479 - 2⁷ = 1285351 is a prime.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1285429) 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, 5377 + ... + 5610.

2^1285479 is an apocalyptic number.

1285479 is a deficient number, since it is larger than the sum of its proper divisors (714337).

1285479 is a wasteful number, since it uses less digits than its factorization.

1285479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11006 (or 11003 counting only the distinct ones).

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

The square root of 1285479 is about 1133.7896630328. The cubic root of 1285479 is about 108.7314038754.

It can be divided in two parts, 1285 and 479, that added together give a square (1764 = 42²).

The spelling of 1285479 in words is "one million, two hundred eighty-five thousand, four hundred seventy-nine".