1173143361 has 32 divisors (see below), whose sum is σ = 1808110080. Its totient is φ = 670132224.

The previous prime is 1173143357. The next prime is 1173143369. The reversal of 1173143361 is 1633413711.

1173143361 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 1173143361 - 2² = 1173143357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1173143369) 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 in 31 ways as a sum of consecutive naturals, for example, 36280 + ... + 60518.

It is an arithmetic number, because the mean of its divisors is an integer number (56503440).

Almost surely, 2^1173143361 is an apocalyptic number.

It is an amenable number.

1173143361 is a deficient number, since it is larger than the sum of its proper divisors (634966719).

1173143361 is a wasteful number, since it uses less digits than its factorization.

1173143361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24345.

The product of its digits is 4536, while the sum is 30.

The square root of 1173143361 is about 34251.1804322128. The cubic root of 1173143361 is about 1054.6710596728.

The spelling of 1173143361 in words is "one billion, one hundred seventy-three million, one hundred forty-three thousand, three hundred sixty-one".