1126785 has 16 divisors (see below), whose sum is σ = 1967040. Its totient is φ = 546240.

The previous prime is 1126781. The next prime is 1126787. The reversal of 1126785 is 5876211.

It is not a de Polignac number, because 1126785 - 2² = 1126781 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126781) 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 15 ways as a sum of consecutive naturals, for example, 3250 + ... + 3579.

It is an arithmetic number, because the mean of its divisors is an integer number (122940).

2^1126785 is an apocalyptic number.

1126785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1126785 is a deficient number, since it is larger than the sum of its proper divisors (840255).

1126785 is a wasteful number, since it uses less digits than its factorization.

1126785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6848.

The product of its digits is 3360, while the sum is 30.

The square root of 1126785 is about 1061.5012953360. The cubic root of 1126785 is about 104.0591687469.

It can be divided in two parts, 11 and 26785, that added together give a triangular number (26796 = T₂₃₁).

The spelling of 1126785 in words is "one million, one hundred twenty-six thousand, seven hundred eighty-five".