1181153 has 2 divisors, whose sum is σ = 1181154. Its totient is φ = 1181152.

The previous prime is 1181149. The next prime is 1181171. The reversal of 1181153 is 3511811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 786769 + 394384 = 887^2 + 628^2 .

It is a cyclic number.

It is not a de Polignac number, because 1181153 - 2² = 1181149 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1181183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590576 + 590577.

It is an arithmetic number, because the mean of its divisors is an integer number (590577).

2^1181153 is an apocalyptic number.

It is an amenable number.

1181153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1181153 is an equidigital number, since it uses as much as digits as its factorization.

1181153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 20.

The square root of 1181153 is about 1086.8086308086. The cubic root of 1181153 is about 105.7065874077.

Adding to 1181153 its reverse (3511811), we get a palindrome (4692964).

The spelling of 1181153 in words is "one million, one hundred eighty-one thousand, one hundred fifty-three".