1213224043 has 8 divisors (see below), whose sum is σ = 1311594320. Its totient is φ = 1118305440.

The previous prime is 1213224041. The next prime is 1213224049. The reversal of 1213224043 is 3404223121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1213224043 - 2¹ = 1213224041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213224041) 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, 862188 + ... + 863593.

It is an arithmetic number, because the mean of its divisors is an integer number (163949290).

Almost surely, 2^1213224043 is an apocalyptic number.

1213224043 is a deficient number, since it is larger than the sum of its proper divisors (98370277).

1213224043 is a wasteful number, since it uses less digits than its factorization.

1213224043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725837.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1213224043 is about 34831.3657929172. The cubic root of 1213224043 is about 1066.5478292196.

Adding to 1213224043 its reverse (3404223121), we get a palindrome (4617447164).

The spelling of 1213224043 in words is "one billion, two hundred thirteen million, two hundred twenty-four thousand, forty-three".