1170071885 has 8 divisors (see below), whose sum is σ = 1407590136. Its totient is φ = 933721600.

The previous prime is 1170071873. The next prime is 1170071887. The reversal of 1170071885 is 5881700711.

It can be written as a sum of positive squares in 4 ways, for example, as 137992009 + 1032079876 = 11747^2 + 32126^2 .

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

It is not a de Polignac number, because 1170071885 - 2⁶ = 1170071821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170071887) 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, 289784 + ... + 293793.

It is an arithmetic number, because the mean of its divisors is an integer number (175948767).

Almost surely, 2^1170071885 is an apocalyptic number.

It is an amenable number.

1170071885 is a deficient number, since it is larger than the sum of its proper divisors (237518251).

1170071885 is an equidigital number, since it uses as much as digits as its factorization.

1170071885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583983.

The product of its (nonzero) digits is 15680, while the sum is 38.

The square root of 1170071885 is about 34206.3135254298. The cubic root of 1170071885 is about 1053.7498230021.

The spelling of 1170071885 in words is "one billion, one hundred seventy million, seventy-one thousand, eight hundred eighty-five".