1223001105 has 8 divisors (see below), whose sum is σ = 1956801792. Its totient is φ = 652267248.

The previous prime is 1223001067. The next prime is 1223001107. The reversal of 1223001105 is 5011003221.

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

It is not a de Polignac number, because 1223001105 - 2⁹ = 1223000593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 81533407 = 1223001105 / (1 + 2 + 2 + 3 + 0 + 0 + 1 + 1 + 0 + 5).

It is not an unprimeable number, because it can be changed into a prime (1223001107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40766689 + ... + 40766718.

It is an arithmetic number, because the mean of its divisors is an integer number (244600224).

Almost surely, 2^1223001105 is an apocalyptic number.

1223001105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1223001105 is a deficient number, since it is larger than the sum of its proper divisors (733800687).

1223001105 is an equidigital number, since it uses as much as digits as its factorization.

1223001105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81533415.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1223001105 is about 34971.4326987042. The cubic root of 1223001105 is about 1069.4051793389.

Adding to 1223001105 its reverse (5011003221), we get a palindrome (6234004326).

The spelling of 1223001105 in words is "one billion, two hundred twenty-three million, one thousand, one hundred five".