1200233105 has 4 divisors (see below), whose sum is σ = 1440279732. Its totient is φ = 960186480.

The previous prime is 1200233093. The next prime is 1200233123. The reversal of 1200233105 is 5013320021.

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 332989504 + 867243601 = 18248^2 + 29449^2 .

It is not a de Polignac number, because 1200233105 - 2¹⁶ = 1200167569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 120023306 + ... + 120023315.

It is an arithmetic number, because the mean of its divisors is an integer number (360069933).

Almost surely, 2^1200233105 is an apocalyptic number.

It is an amenable number.

1200233105 is a deficient number, since it is larger than the sum of its proper divisors (240046627).

1200233105 is an equidigital number, since it uses as much as digits as its factorization.

1200233105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240046626.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1200233105 is about 34644.3805688599. The cubic root of 1200233105 is about 1062.7273733459.

Adding to 1200233105 its reverse (5013320021), we get a palindrome (6213553126).

The spelling of 1200233105 in words is "one billion, two hundred million, two hundred thirty-three thousand, one hundred five".