1241165147 has 2 divisors, whose sum is σ = 1241165148. Its totient is φ = 1241165146.

The previous prime is 1241165069. The next prime is 1241165153. The reversal of 1241165147 is 7415611421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1241165147 - 2¹⁴ = 1241148763 is a prime.

It is not a weakly prime, because it can be changed into another prime (1241165647) 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, 620582573 + 620582574.

It is an arithmetic number, because the mean of its divisors is an integer number (620582574).

Almost surely, 2^1241165147 is an apocalyptic number.

1241165147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241165147 is an equidigital number, since it uses as much as digits as its factorization.

1241165147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 32.

The square root of 1241165147 is about 35230.1738145017. The cubic root of 1241165147 is about 1074.6734604389.

Adding to 1241165147 its reverse (7415611421), we get a palindrome (8656776568).

The spelling of 1241165147 in words is "one billion, two hundred forty-one million, one hundred sixty-five thousand, one hundred forty-seven".