1223021104 has 20 divisors (see below), whose sum is σ = 2371478920. Its totient is φ = 611026560.

The previous prime is 1223021099. The next prime is 1223021131. The reversal of 1223021104 is 4011203221.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 8949 + ... + 50260.

It is an arithmetic number, because the mean of its divisors is an integer number (118573946).

Almost surely, 2^1223021104 is an apocalyptic number.

It is an amenable number.

1223021104 is a deficient number, since it is larger than the sum of its proper divisors (1148457816).

1223021104 is a wasteful number, since it uses less digits than its factorization.

1223021104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60508 (or 60502 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1223021104 is about 34971.7186309166. The cubic root of 1223021104 is about 1069.4110084199.

Adding to 1223021104 its reverse (4011203221), we get a palindrome (5234224325).

The spelling of 1223021104 in words is "one billion, two hundred twenty-three million, twenty-one thousand, one hundred four".