1241261167 has 2 divisors, whose sum is σ = 1241261168. Its totient is φ = 1241261166.

The previous prime is 1241261159. The next prime is 1241261201. The reversal of 1241261167 is 7611621421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1241261167 - 2³ = 1241261159 is a prime.

It is a super-3 number, since 3×1241261167³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241265167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620630583 + 620630584.

It is an arithmetic number, because the mean of its divisors is an integer number (620630584).

Almost surely, 2^1241261167 is an apocalyptic number.

1241261167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241261167 is an equidigital number, since it uses as much as digits as its factorization.

1241261167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 31.

The square root of 1241261167 is about 35231.5365404349. The cubic root of 1241261167 is about 1074.7011729705.

Adding to 1241261167 its reverse (7611621421), we get a palindrome (8852882588).

The spelling of 1241261167 in words is "one billion, two hundred forty-one million, two hundred sixty-one thousand, one hundred sixty-seven".