1126855 has 4 divisors (see below), whose sum is σ = 1352232. Its totient is φ = 901480.

The previous prime is 1126847. The next prime is 1126859. The reversal of 1126855 is 5586211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5586211 = 709 ⋅7879.

It is not a de Polignac number, because 1126855 - 2³ = 1126847 is a prime.

It is a Duffinian number.

1126855 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112681 + ... + 112690.

It is an arithmetic number, because the mean of its divisors is an integer number (338058).

2^1126855 is an apocalyptic number.

1126855 is a deficient number, since it is larger than the sum of its proper divisors (225377).

1126855 is an equidigital number, since it uses as much as digits as its factorization.

1126855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225376.

The product of its digits is 2400, while the sum is 28.

The square root of 1126855 is about 1061.5342669928. The cubic root of 1126855 is about 104.0613235475.

The spelling of 1126855 in words is "one million, one hundred twenty-six thousand, eight hundred fifty-five".