1135873 has 2 divisors, whose sum is σ = 1135874. Its totient is φ = 1135872.

The previous prime is 1135861. The next prime is 1135879. The reversal of 1135873 is 3785311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 898704 + 237169 = 948^2 + 487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1135873 is a prime.

It is not a weakly prime, because it can be changed into another prime (1135879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567936 + 567937.

It is an arithmetic number, because the mean of its divisors is an integer number (567937).

2^1135873 is an apocalyptic number.

It is an amenable number.

1135873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135873 is an equidigital number, since it uses as much as digits as its factorization.

1135873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 1135873 is about 1065.7734280793. The cubic root of 1135873 is about 104.3381804465.

The spelling of 1135873 in words is "one million, one hundred thirty-five thousand, eight hundred seventy-three".