1223300120 has 64 divisors (see below), whose sum is σ = 3218814720. Its totient is φ = 409659264.

The previous prime is 1223300119. The next prime is 1223300131. The reversal of 1223300120 is 210033221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1223300095 and 1223300104.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 38762 + ... + 62841.

It is an arithmetic number, because the mean of its divisors is an integer number (50293980).

Almost surely, 2^1223300120 is an apocalyptic number.

1223300120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223300120 is an abundant number, since it is smaller than the sum of its proper divisors (1995514600).

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

1223300120 is a wasteful number, since it uses less digits than its factorization.

1223300120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101664 (or 101660 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1223300120 is about 34975.7075696833. The cubic root of 1223300120 is about 1069.4923262028.

Adding to 1223300120 its reverse (210033221), we get a palindrome (1433333341).

The spelling of 1223300120 in words is "one billion, two hundred twenty-three million, three hundred thousand, one hundred twenty".