1167085099 has 4 divisors (see below), whose sum is σ = 1172616520. Its totient is φ = 1161553680.

The previous prime is 1167085081. The next prime is 1167085111. The reversal of 1167085099 is 9905807611.

It is a happy number.

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 1167085099 - 2¹¹ = 1167083051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1167085499) 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, 2765394 + ... + 2765815.

It is an arithmetic number, because the mean of its divisors is an integer number (293154130).

Almost surely, 2^1167085099 is an apocalyptic number.

1167085099 is a deficient number, since it is larger than the sum of its proper divisors (5531421).

1167085099 is an equidigital number, since it uses as much as digits as its factorization.

1167085099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5531420.

The product of its (nonzero) digits is 136080, while the sum is 46.

The square root of 1167085099 is about 34162.6272262541. The cubic root of 1167085099 is about 1052.8524402368.

It can be divided in two parts, 11670 and 85099, that added together give a palindrome (96769).

The spelling of 1167085099 in words is "one billion, one hundred sixty-seven million, eighty-five thousand, ninety-nine".