1171288097 has 16 divisors (see below), whose sum is σ = 1385186304. Its totient is φ = 969192000.

The previous prime is 1171288091. The next prime is 1171288109. The reversal of 1171288097 is 7908821711.

It is not a de Polignac number, because 1171288097 - 2⁸ = 1171287841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1171288091) 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 in 15 ways as a sum of consecutive naturals, for example, 84947 + ... + 97767.

It is an arithmetic number, because the mean of its divisors is an integer number (86574144).

Almost surely, 2^1171288097 is an apocalyptic number.

It is an amenable number.

1171288097 is a deficient number, since it is larger than the sum of its proper divisors (213898207).

1171288097 is a wasteful number, since it uses less digits than its factorization.

1171288097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13280.

The product of its (nonzero) digits is 56448, while the sum is 44.

The square root of 1171288097 is about 34224.0865035139. The cubic root of 1171288097 is about 1054.1147975569.

The spelling of 1171288097 in words is "one billion, one hundred seventy-one million, two hundred eighty-eight thousand, ninety-seven".