1173229143 has 8 divisors (see below), whose sum is σ = 1656323568. Its totient is φ = 736143744.

The previous prime is 1173229111. The next prime is 1173229163. The reversal of 1173229143 is 3419223711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1173229143 - 2⁵ = 1173229111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1173229163) 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 7 ways as a sum of consecutive naturals, for example, 11502196 + ... + 11502297.

It is an arithmetic number, because the mean of its divisors is an integer number (207040446).

Almost surely, 2^1173229143 is an apocalyptic number.

1173229143 is a deficient number, since it is larger than the sum of its proper divisors (483094425).

1173229143 is a wasteful number, since it uses less digits than its factorization.

1173229143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23004513.

The product of its digits is 9072, while the sum is 33.

The square root of 1173229143 is about 34252.4326581339. The cubic root of 1173229143 is about 1054.6967654223.

The spelling of 1173229143 in words is "one billion, one hundred seventy-three million, two hundred twenty-nine thousand, one hundred forty-three".