1011223105 has 8 divisors (see below), whose sum is σ = 1214497152. Its totient is φ = 808292208.

The previous prime is 1011223097. The next prime is 1011223133. The reversal of 1011223105 is 5013221101.

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 1011223105 - 2³ = 1011223097 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79257 + ... + 91126.

It is an arithmetic number, because the mean of its divisors is an integer number (151812144).

Almost surely, 2^1011223105 is an apocalyptic number.

It is an amenable number.

1011223105 is a deficient number, since it is larger than the sum of its proper divisors (203274047).

1011223105 is a wasteful number, since it uses less digits than its factorization.

1011223105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171575.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1011223105 is about 31799.7343542364. The cubic root of 1011223105 is about 1003.7271262713.

Adding to 1011223105 its reverse (5013221101), we get a palindrome (6024444206).

The spelling of 1011223105 in words is "one billion, eleven million, two hundred twenty-three thousand, one hundred five".