1166252041 has 2 divisors, whose sum is σ = 1166252042. Its totient is φ = 1166252040.

The previous prime is 1166252039. The next prime is 1166252057. The reversal of 1166252041 is 1402526611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 906913225 + 259338816 = 30115^2 + 16104^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166252041 - 2¹ = 1166252039 is a prime.

Together with 1166252039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1166252141) by changing a digit.

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 as a sum of consecutive naturals, namely, 583126020 + 583126021.

It is an arithmetic number, because the mean of its divisors is an integer number (583126021).

Almost surely, 2^1166252041 is an apocalyptic number.

It is an amenable number.

1166252041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166252041 is an equidigital number, since it uses as much as digits as its factorization.

1166252041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1166252041 is about 34150.4325155627. The cubic root of 1166252041 is about 1052.6018741275.

Adding to 1166252041 its reverse (1402526611), we get a palindrome (2568778652).

The spelling of 1166252041 in words is "one billion, one hundred sixty-six million, two hundred fifty-two thousand, forty-one".