1223330120 has 32 divisors (see below), whose sum is σ = 2819630520. Its totient is φ = 477396480.

The previous prime is 1223330117. The next prime is 1223330123. The reversal of 1223330120 is 210333221.

It is an interprime number because it is at equal distance from previous prime (1223330117) and next prime (1223330123).

It can be written as a sum of positive squares in 4 ways, for example, as 679227844 + 544102276 = 26062^2 + 23326^2 .

It is not an unprimeable number, because it can be changed into a prime (1223330123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371327 + ... + 374606.

Almost surely, 2^1223330120 is an apocalyptic number.

1223330120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223330120 is an abundant number, since it is smaller than the sum of its proper divisors (1596300400).

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

1223330120 is a wasteful number, since it uses less digits than its factorization.

1223330120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745985 (or 745981 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1223330120 is about 34976.1364361474. The cubic root of 1223330120 is about 1069.5010688128.

Adding to 1223330120 its reverse (210333221), we get a palindrome (1433663341).

The spelling of 1223330120 in words is "one billion, two hundred twenty-three million, three hundred thirty thousand, one hundred twenty".