1224121230 has 48 divisors (see below), whose sum is σ = 3211940160. Its totient is φ = 323434944.

The previous prime is 1224121229. The next prime is 1224121331. The reversal of 1224121230 is 321214221.

It is a happy number.

1224121230 is a `hidden beast` number, since 1 + 22 + 412 + 1 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52582 + ... + 72201.

It is an arithmetic number, because the mean of its divisors is an integer number (66915420).

Almost surely, 2^1224121230 is an apocalyptic number.

1224121230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1224121230 is an abundant number, since it is smaller than the sum of its proper divisors (1987818930).

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

1224121230 is a wasteful number, since it uses less digits than its factorization.

1224121230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124905 (or 124902 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1224121230 is about 34987.4438906302. The cubic root of 1224121230 is about 1069.7315627890.

Adding to 1224121230 its reverse (321214221), we get a palindrome (1545335451).

The spelling of 1224121230 in words is "one billion, two hundred twenty-four million, one hundred twenty-one thousand, two hundred thirty".