1213226124 has 24 divisors (see below), whose sum is σ = 3088212288. Its totient is φ = 367644240.

The previous prime is 1213226117. The next prime is 1213226159. The reversal of 1213226124 is 4216223121.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1213226094 and 1213226103.

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 7 ways as a sum of consecutive naturals, for example, 4595422 + ... + 4595685.

It is an arithmetic number, because the mean of its divisors is an integer number (128675512).

Almost surely, 2^1213226124 is an apocalyptic number.

It is an amenable number.

1213226124 is an abundant number, since it is smaller than the sum of its proper divisors (1874986164).

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

1213226124 is a wasteful number, since it uses less digits than its factorization.

1213226124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9191125 (or 9191123 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 1213226124 is about 34831.3956654051. The cubic root of 1213226124 is about 1066.5484390231.

Adding to 1213226124 its reverse (4216223121), we get a palindrome (5429449245).

The spelling of 1213226124 in words is "one billion, two hundred thirteen million, two hundred twenty-six thousand, one hundred twenty-four".