1126863 has 6 divisors (see below), whose sum is σ = 1627704. Its totient is φ = 751236.

The previous prime is 1126861. The next prime is 1126889. The reversal of 1126863 is 3686211.

It is not a de Polignac number, because 1126863 - 2¹ = 1126861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62595 + ... + 62612.

It is an arithmetic number, because the mean of its divisors is an integer number (271284).

2^1126863 is an apocalyptic number.

1126863 is a deficient number, since it is larger than the sum of its proper divisors (500841).

1126863 is a wasteful number, since it uses less digits than its factorization.

1126863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125213 (or 125210 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1126863 is about 1061.5380351170. The cubic root of 1126863 is about 104.0615698047.

The spelling of 1126863 in words is "one million, one hundred twenty-six thousand, eight hundred sixty-three".