1126605 has 32 divisors (see below), whose sum is σ = 1958400. Its totient is φ = 551232.

The previous prime is 1126597. The next prime is 1126627. The reversal of 1126605 is 5066211.

It is a happy number.

It is not a de Polignac number, because 1126605 - 2³ = 1126597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16782 + ... + 16848.

It is an arithmetic number, because the mean of its divisors is an integer number (61200).

2^1126605 is an apocalyptic number.

1126605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1126605 is a deficient number, since it is larger than the sum of its proper divisors (831795).

1126605 is a wasteful number, since it uses less digits than its factorization.

1126605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1126605 is about 1061.4165063725. The cubic root of 1126605 is about 104.0536274213.

The spelling of 1126605 in words is "one million, one hundred twenty-six thousand, six hundred five".