1172281241 has 2 divisors, whose sum is σ = 1172281242. Its totient is φ = 1172281240.

The previous prime is 1172281217. The next prime is 1172281259. The reversal of 1172281241 is 1421822711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1172035225 + 246016 = 34235^2 + 496^2 .

It is a cyclic number.

It is not a de Polignac number, because 1172281241 - 2¹⁴ = 1172264857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1172281441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586140620 + 586140621.

It is an arithmetic number, because the mean of its divisors is an integer number (586140621).

Almost surely, 2^1172281241 is an apocalyptic number.

It is an amenable number.

1172281241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1172281241 is an equidigital number, since it uses as much as digits as its factorization.

1172281241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1792, while the sum is 29.

The square root of 1172281241 is about 34238.5928595204. The cubic root of 1172281241 is about 1054.4126440163.

The spelling of 1172281241 in words is "one billion, one hundred seventy-two million, two hundred eighty-one thousand, two hundred forty-one".