1228500104 has 64 divisors (see below), whose sum is σ = 2740832640. Its totient is φ = 510428160.

The previous prime is 1228500061. The next prime is 1228500109. The reversal of 1228500104 is 4010058221.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 1228500104.

It is not an unprimeable number, because it can be changed into a prime (1228500109) 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, 25559 + ... + 55769.

It is an arithmetic number, because the mean of its divisors is an integer number (42825510).

Almost surely, 2^1228500104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1228500104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1370416320).

1228500104 is an abundant number, since it is smaller than the sum of its proper divisors (1512332536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1228500104 is a wasteful number, since it uses less digits than its factorization.

1228500104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30270 (or 30266 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 1228500104 is about 35049.9658202401. The cubic root of 1228500104 is about 1071.0055775106.

Adding to 1228500104 its reverse (4010058221), we get a palindrome (5238558325).

The spelling of 1228500104 in words is "one billion, two hundred twenty-eight million, five hundred thousand, one hundred four".