1224011243 has 8 divisors (see below), whose sum is σ = 1506475488. Its totient is φ = 968448384.

The previous prime is 1224011167. The next prime is 1224011273. The reversal of 1224011243 is 3421104221.

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 1224011243 - 2¹⁴ = 1223994859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1224011273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6725246 + ... + 6725427.

It is an arithmetic number, because the mean of its divisors is an integer number (188309436).

Almost surely, 2^1224011243 is an apocalyptic number.

1224011243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1224011243 is a deficient number, since it is larger than the sum of its proper divisors (282464245).

1224011243 is a wasteful number, since it uses less digits than its factorization.

1224011243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13450693.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1224011243 is about 34985.8720485856. The cubic root of 1224011243 is about 1069.6995234543.

Adding to 1224011243 its reverse (3421104221), we get a palindrome (4645115464).

The spelling of 1224011243 in words is "one billion, two hundred twenty-four million, eleven thousand, two hundred forty-three".