1100130205 has 8 divisors (see below), whose sum is σ = 1322479800. Its totient is φ = 878555136.

The previous prime is 1100130203. The next prime is 1100130211. The reversal of 1100130205 is 5020310011.

It can be written as a sum of positive squares in 4 ways, for example, as 153091129 + 947039076 = 12373^2 + 30774^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1100130205 - 2¹ = 1100130203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100130203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190500 + ... + 196189.

It is an arithmetic number, because the mean of its divisors is an integer number (165309975).

Almost surely, 2^1100130205 is an apocalyptic number.

It is an amenable number.

1100130205 is a deficient number, since it is larger than the sum of its proper divisors (222349595).

1100130205 is an equidigital number, since it uses as much as digits as its factorization.

1100130205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387263.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 1100130205 is about 33168.2107597018. The cubic root of 1100130205 is about 1032.3208435562.

Adding to 1100130205 its reverse (5020310011), we get a palindrome (6120440216).

The spelling of 1100130205 in words is "one billion, one hundred million, one hundred thirty thousand, two hundred five".