1161140147 has 2 divisors, whose sum is σ = 1161140148. Its totient is φ = 1161140146.

The previous prime is 1161140111. The next prime is 1161140173. The reversal of 1161140147 is 7410411611.

It is an a-pointer prime, because the next prime (1161140173) can be obtained adding 1161140147 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1161140147 - 2¹² = 1161136051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1161170147) 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, 580570073 + 580570074.

It is an arithmetic number, because the mean of its divisors is an integer number (580570074).

Almost surely, 2^1161140147 is an apocalyptic number.

1161140147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161140147 is an equidigital number, since it uses as much as digits as its factorization.

1161140147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 1161140147 is about 34075.5065552957. The cubic root of 1161140147 is about 1051.0617067442.

Adding to 1161140147 its reverse (7410411611), we get a palindrome (8571551758).

The spelling of 1161140147 in words is "one billion, one hundred sixty-one million, one hundred forty thousand, one hundred forty-seven".