1126839 has 16 divisors (see below), whose sum is σ = 1792512. Its totient is φ = 615648.

The previous prime is 1126837. The next prime is 1126843. The reversal of 1126839 is 9386211.

It is not a de Polignac number, because 1126839 - 2¹ = 1126837 is a prime.

It is a super-2 number, since 2×1126839² = 2539532263842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126831) 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 15 ways as a sum of consecutive naturals, for example, 684 + ... + 1649.

It is an arithmetic number, because the mean of its divisors is an integer number (112032).

2^1126839 is an apocalyptic number.

1126839 is a deficient number, since it is larger than the sum of its proper divisors (665673).

1126839 is a wasteful number, since it uses less digits than its factorization.

1126839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366.

The product of its digits is 2592, while the sum is 30.

The square root of 1126839 is about 1061.5267307044. The cubic root of 1126839 is about 104.0608310295.

The spelling of 1126839 in words is "one million, one hundred twenty-six thousand, eight hundred thirty-nine".