1165372147 has 2 divisors, whose sum is σ = 1165372148. Its totient is φ = 1165372146.

The previous prime is 1165372139. The next prime is 1165372157. The reversal of 1165372147 is 7412735611.

It is a weak prime.

It is an emirp because it is prime and its reverse (7412735611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1165372147 - 2³ = 1165372139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1165372157) 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, 582686073 + 582686074.

It is an arithmetic number, because the mean of its divisors is an integer number (582686074).

Almost surely, 2^1165372147 is an apocalyptic number.

1165372147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165372147 is an equidigital number, since it uses as much as digits as its factorization.

1165372147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 37.

The square root of 1165372147 is about 34137.5474660966. The cubic root of 1165372147 is about 1052.3370911415.

The spelling of 1165372147 in words is "one billion, one hundred sixty-five million, three hundred seventy-two thousand, one hundred forty-seven".