1133689 has 2 divisors, whose sum is σ = 1133690. Its totient is φ = 1133688.

The previous prime is 1133683. The next prime is 1133731. The reversal of 1133689 is 9863311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 783225 + 350464 = 885^2 + 592^2 .

It is an emirp because it is prime and its reverse (9863311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1133689 - 2³ = 1133681 is a prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1133689.

It is not a weakly prime, because it can be changed into another prime (1133681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566844 + 566845.

It is an arithmetic number, because the mean of its divisors is an integer number (566845).

2^1133689 is an apocalyptic number.

It is an amenable number.

1133689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133689 is an equidigital number, since it uses as much as digits as its factorization.

1133689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 31.

The square root of 1133689 is about 1064.7483270708. The cubic root of 1133689 is about 104.2712654566.

The spelling of 1133689 in words is "one million, one hundred thirty-three thousand, six hundred eighty-nine".