1181152 has 24 divisors (see below), whose sum is σ = 2658096. Its totient is φ = 506112.

The previous prime is 1181149. The next prime is 1181153. The reversal of 1181152 is 2511811.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1181153) 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 in 3 ways as a sum of consecutive naturals, for example, 2413 + ... + 2860.

It is an arithmetic number, because the mean of its divisors is an integer number (110754).

2^1181152 is an apocalyptic number.

It is an amenable number.

1181152 is an abundant number, since it is smaller than the sum of its proper divisors (1476944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1181152 is an equidigital number, since it uses as much as digits as its factorization.

1181152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5290 (or 5282 counting only the distinct ones).

The product of its digits is 80, while the sum is 19.

The square root of 1181152 is about 1086.8081707459. The cubic root of 1181152 is about 105.7065575762.

Adding to 1181152 its reverse (2511811), we get a palindrome (3692963).

The spelling of 1181152 in words is "one million, one hundred eighty-one thousand, one hundred fifty-two".