1126009 has 4 divisors (see below), whose sum is σ = 1129360. Its totient is φ = 1122660.

The previous prime is 1125991. The next prime is 1126031. The reversal of 1126009 is 9006211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9006211 = 29 ⋅310559.

It is a cyclic number.

It is not a de Polignac number, because 1126009 - 2¹¹ = 1123961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1156009) 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, 1107 + ... + 1864.

It is an arithmetic number, because the mean of its divisors is an integer number (282340).

2^1126009 is an apocalyptic number.

It is an amenable number.

1126009 is a deficient number, since it is larger than the sum of its proper divisors (3351).

1126009 is an equidigital number, since it uses as much as digits as its factorization.

1126009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1126009 is about 1061.1357123384. The cubic root of 1126009 is about 104.0352752626.

The spelling of 1126009 in words is "one million, one hundred twenty-six thousand, nine".