1280526 has 16 divisors (see below), whose sum is σ = 2758224. Its totient is φ = 393984.

The previous prime is 1280519. The next prime is 1280537. The reversal of 1280526 is 6250821.

It is a junction number, because it is equal to n+sod(n) for n = 1280496 and 1280505.

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, 8131 + ... + 8286.

It is an arithmetic number, because the mean of its divisors is an integer number (172389).

2^1280526 is an apocalyptic number.

1280526 is an abundant number, since it is smaller than the sum of its proper divisors (1477698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1280526 is a wasteful number, since it uses less digits than its factorization.

1280526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16435.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1280526 is about 1131.6032873759. The cubic root of 1280526 is about 108.5915753735.

The spelling of 1280526 in words is "one million, two hundred eighty thousand, five hundred twenty-six".