1224105144 has 16 divisors (see below), whose sum is σ = 3060262920. Its totient is φ = 408035040.

The previous prime is 1224105139. The next prime is 1224105161. The reversal of 1224105144 is 4415014221.

1224105144 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 51004381 = 1224105144 / (1 + 2 + 2 + 4 + 1 + 0 + 5 + 1 + 4 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25502167 + ... + 25502214.

Almost surely, 2^1224105144 is an apocalyptic number.

It is an amenable number.

1224105144 is an abundant number, since it is smaller than the sum of its proper divisors (1836157776).

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

1224105144 is a wasteful number, since it uses less digits than its factorization.

1224105144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51004390 (or 51004386 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1224105144 is about 34987.2140074056. The cubic root of 1224105144 is about 1069.7268770393.

Adding to 1224105144 its reverse (4415014221), we get a palindrome (5639119365).

The spelling of 1224105144 in words is "one billion, two hundred twenty-four million, one hundred five thousand, one hundred forty-four".