1126003 has 4 divisors (see below), whose sum is σ = 1134360. Its totient is φ = 1117648.

The previous prime is 1125991. The next prime is 1126031. The reversal of 1126003 is 3006211.

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 1126003 - 2¹³ = 1117811 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1126033) 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, 3973 + ... + 4246.

It is an arithmetic number, because the mean of its divisors is an integer number (283590).

2^1126003 is an apocalyptic number.

1126003 is a deficient number, since it is larger than the sum of its proper divisors (8357).

1126003 is an equidigital number, since it uses as much as digits as its factorization.

1126003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8356.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1126003 is about 1061.1328851751. The cubic root of 1126003 is about 104.0350904764.

The spelling of 1126003 in words is "one million, one hundred twenty-six thousand, three".