1213134324 has 24 divisors (see below), whose sum is σ = 2840728128. Its totient is φ = 402937920.

The previous prime is 1213134323. The next prime is 1213134359. The reversal of 1213134324 is 4234313121.

It is a happy number.

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 = 1213134294 and 1213134303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213134323) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 176512 + ... + 183255.

It is an arithmetic number, because the mean of its divisors is an integer number (118363672).

Almost surely, 2^1213134324 is an apocalyptic number.

It is an amenable number.

1213134324 is an abundant number, since it is smaller than the sum of its proper divisors (1627593804).

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

1213134324 is a wasteful number, since it uses less digits than its factorization.

1213134324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360055 (or 360053 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 1213134324 is about 34830.0778638234. The cubic root of 1213134324 is about 1066.5215378504.

Adding to 1213134324 its reverse (4234313121), we get a palindrome (5447447445).

The spelling of 1213134324 in words is "one billion, two hundred thirteen million, one hundred thirty-four thousand, three hundred twenty-four".