1172345359 has 4 divisors (see below), whose sum is σ = 1177510104. Its totient is φ = 1167180616.

The previous prime is 1172345357. The next prime is 1172345401. The reversal of 1172345359 is 9535432711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1172345359 - 2¹ = 1172345357 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172345357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2582032 + ... + 2582485.

It is an arithmetic number, because the mean of its divisors is an integer number (294377526).

Almost surely, 2^1172345359 is an apocalyptic number.

1172345359 is a deficient number, since it is larger than the sum of its proper divisors (5164745).

1172345359 is an equidigital number, since it uses as much as digits as its factorization.

1172345359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5164744.

The product of its digits is 113400, while the sum is 40.

The square root of 1172345359 is about 34239.5291877678. The cubic root of 1172345359 is about 1054.4318673889.

The spelling of 1172345359 in words is "one billion, one hundred seventy-two million, three hundred forty-five thousand, three hundred fifty-nine".