1181410099 has 4 divisors (see below), whose sum is σ = 1181495464. Its totient is φ = 1181324736.

The previous prime is 1181410073. The next prime is 1181410117. The reversal of 1181410099 is 9900141811.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1181410099 - 2¹¹ = 1181408051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1181413099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16617 + ... + 51370.

It is an arithmetic number, because the mean of its divisors is an integer number (295373866).

Almost surely, 2^1181410099 is an apocalyptic number.

1181410099 is a deficient number, since it is larger than the sum of its proper divisors (85365).

1181410099 is an equidigital number, since it uses as much as digits as its factorization.

1181410099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85364.

The product of its (nonzero) digits is 2592, while the sum is 34.

The square root of 1181410099 is about 34371.6467309904. The cubic root of 1181410099 is about 1057.1425649213.

The spelling of 1181410099 in words is "one billion, one hundred eighty-one million, four hundred ten thousand, ninety-nine".