1133903 has 2 divisors, whose sum is σ = 1133904. Its totient is φ = 1133902.

The previous prime is 1133897. The next prime is 1133911. The reversal of 1133903 is 3093311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1133903 - 2¹⁶ = 1068367 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133933) 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 as a sum of consecutive naturals, namely, 566951 + 566952.

It is an arithmetic number, because the mean of its divisors is an integer number (566952).

2^1133903 is an apocalyptic number.

1133903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133903 is an equidigital number, since it uses as much as digits as its factorization.

1133903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 1133903 is about 1064.8488155602. The cubic root of 1133903 is about 104.2778259410.

The spelling of 1133903 in words is "one million, one hundred thirty-three thousand, nine hundred three".