1161893 has 2 divisors, whose sum is σ = 1161894. Its totient is φ = 1161892.

The previous prime is 1161883. The next prime is 1161929. The reversal of 1161893 is 3981611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 708964 + 452929 = 842^2 + 673^2 .

It is a cyclic number.

It is not a de Polignac number, because 1161893 - 2⁴ = 1161877 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 (1161833) 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, 580946 + 580947.

It is an arithmetic number, because the mean of its divisors is an integer number (580947).

2^1161893 is an apocalyptic number.

It is an amenable number.

1161893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161893 is an equidigital number, since it uses as much as digits as its factorization.

1161893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 29.

The square root of 1161893 is about 1077.9114063781. The cubic root of 1161893 is about 105.1288818003.

It can be divided in two parts, 11618 and 93, that added together give a palindrome (11711).

The spelling of 1161893 in words is "one million, one hundred sixty-one thousand, eight hundred ninety-three".