1164209105 has 4 divisors (see below), whose sum is σ = 1397050932. Its totient is φ = 931367280.

The previous prime is 1164209099. The next prime is 1164209119. The reversal of 1164209105 is 5019024611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 332405824 + 831803281 = 18232^2 + 28841^2 .

It is not a de Polignac number, because 1164209105 - 2⁶ = 1164209041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116420906 + ... + 116420915.

It is an arithmetic number, because the mean of its divisors is an integer number (349262733).

Almost surely, 2^1164209105 is an apocalyptic number.

It is an amenable number.

1164209105 is a deficient number, since it is larger than the sum of its proper divisors (232841827).

1164209105 is an equidigital number, since it uses as much as digits as its factorization.

1164209105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232841826.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1164209105 is about 34120.5085688945. The cubic root of 1164209105 is about 1051.9868969656.

The spelling of 1164209105 in words is "one billion, one hundred sixty-four million, two hundred nine thousand, one hundred five".