805126 has 16 divisors (see below), whose sum is σ = 1393920. Its totient is φ = 341640.

The previous prime is 805121. The next prime is 805153. The reversal of 805126 is 621508.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 805097 and 805106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1615 + ... + 2053.

It is an arithmetic number, because the mean of its divisors is an integer number (87120).

2⁸⁰⁵¹²⁶ is an apocalyptic number.

805126 is a deficient number, since it is larger than the sum of its proper divisors (588794).

805126 is a wasteful number, since it uses less digits than its factorization.

805126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 805126 is about 897.2881365537. The cubic root of 805126 is about 93.0296278978.

The spelling of 805126 in words is "eight hundred five thousand, one hundred twenty-six".