1181065252 has 12 divisors (see below), whose sum is σ = 2138135580. Its totient is φ = 570169376.

The previous prime is 1181065241. The next prime is 1181065279. The reversal of 1181065252 is 2525601811.

It can be written as a sum of positive squares in 2 ways, for example, as 791634496 + 389430756 = 28136^2 + 19734^2 .

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 5090683 + ... + 5090914.

It is an arithmetic number, because the mean of its divisors is an integer number (178177965).

Almost surely, 2^1181065252 is an apocalyptic number.

It is an amenable number.

1181065252 is a deficient number, since it is larger than the sum of its proper divisors (957070328).

1181065252 is a wasteful number, since it uses less digits than its factorization.

1181065252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10181630 (or 10181628 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 31.

The square root of 1181065252 is about 34366.6299191527. The cubic root of 1181065252 is about 1057.0396969112.

The spelling of 1181065252 in words is "one billion, one hundred eighty-one million, sixty-five thousand, two hundred fifty-two".