1181952241 has 2 divisors, whose sum is σ = 1181952242. Its totient is φ = 1181952240.

The previous prime is 1181952199. The next prime is 1181952257. The reversal of 1181952241 is 1422591811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1166905600 + 15046641 = 34160^2 + 3879^2 .

It is a cyclic number.

It is not a de Polignac number, because 1181952241 - 2⁷ = 1181952113 is a prime.

It is a super-2 number, since 2×1181952241² = 2794022200009844162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1181952197 and 1181952206.

It is not a weakly prime, because it can be changed into another prime (1181952641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590976120 + 590976121.

It is an arithmetic number, because the mean of its divisors is an integer number (590976121).

Almost surely, 2^1181952241 is an apocalyptic number.

It is an amenable number.

1181952241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1181952241 is an equidigital number, since it uses as much as digits as its factorization.

1181952241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 34.

The square root of 1181952241 is about 34379.5322975750. The cubic root of 1181952241 is about 1057.3042456507.

The spelling of 1181952241 in words is "one billion, one hundred eighty-one million, nine hundred fifty-two thousand, two hundred forty-one".