1126783 has 4 divisors (see below), whose sum is σ = 1287760. Its totient is φ = 965808.

The previous prime is 1126781. The next prime is 1126787. The reversal of 1126783 is 3876211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3876211 = 857 ⋅4523.

It is a cyclic number.

It is not a de Polignac number, because 1126783 - 2¹ = 1126781 is a prime.

It is an Ulam number.

It is the 1062-nd Hogben number.

It is a Duffinian 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 nontrivial repunit in base 1061.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80478 + ... + 80491.

It is an arithmetic number, because the mean of its divisors is an integer number (321940).

2^1126783 is an apocalyptic number.

1126783 is a deficient number, since it is larger than the sum of its proper divisors (160977).

1126783 is an equidigital number, since it uses as much as digits as its factorization.

1126783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160976.

The product of its digits is 2016, while the sum is 28.

The square root of 1126783 is about 1061.5003532736. The cubic root of 1126783 is about 104.0591071799.

The spelling of 1126783 in words is "one million, one hundred twenty-six thousand, seven hundred eighty-three".