1133861 has 2 divisors, whose sum is σ = 1133862. Its totient is φ = 1133860.

The previous prime is 1133857. The next prime is 1133893. The reversal of 1133861 is 1683311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 902500 + 231361 = 950^2 + 481^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133861 - 2² = 1133857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566930 + 566931.

It is an arithmetic number, because the mean of its divisors is an integer number (566931).

2^1133861 is an apocalyptic number.

It is an amenable number.

1133861 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133861 is an equidigital number, since it uses as much as digits as its factorization.

1133861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 23.

The square root of 1133861 is about 1064.8290942682. The cubic root of 1133861 is about 104.2765384344.

The spelling of 1133861 in words is "one million, one hundred thirty-three thousand, eight hundred sixty-one".