1126291 has 4 divisors (see below), whose sum is σ = 1134000. Its totient is φ = 1118584.

The previous prime is 1126283. The next prime is 1126313. The reversal of 1126291 is 1926211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1126291 - 2³ = 1126283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1126201) 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 3 ways as a sum of consecutive naturals, for example, 3631 + ... + 3928.

It is an arithmetic number, because the mean of its divisors is an integer number (283500).

2^1126291 is an apocalyptic number.

1126291 is a deficient number, since it is larger than the sum of its proper divisors (7709).

1126291 is an equidigital number, since it uses as much as digits as its factorization.

1126291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7708.

The product of its digits is 216, while the sum is 22.

The square root of 1126291 is about 1061.2685805205. The cubic root of 1126291 is about 104.0439594735.

The spelling of 1126291 in words is "one million, one hundred twenty-six thousand, two hundred ninety-one".