1101230305 has 16 divisors (see below), whose sum is σ = 1528458624. Its totient is φ = 746029440.

The previous prime is 1101230303. The next prime is 1101230309. The reversal of 1101230305 is 5030321011.

It is not a de Polignac number, because 1101230305 - 2¹ = 1101230303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1101230303) 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 15 ways as a sum of consecutive naturals, for example, 186636 + ... + 192445.

It is an arithmetic number, because the mean of its divisors is an integer number (95528664).

Almost surely, 2^1101230305 is an apocalyptic number.

It is an amenable number.

1101230305 is a deficient number, since it is larger than the sum of its proper divisors (427228319).

1101230305 is an equidigital number, since it uses as much as digits as its factorization.

1101230305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379176.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1101230305 is about 33184.7902660240. The cubic root of 1101230305 is about 1032.6648264240.

Adding to 1101230305 its reverse (5030321011), we get a palindrome (6131551316).

The spelling of 1101230305 in words is "one billion, one hundred one million, two hundred thirty thousand, three hundred five".