1224130144 has 12 divisors (see below), whose sum is σ = 2410006284. Its totient is φ = 612065056.

The previous prime is 1224130129. The next prime is 1224130147. The reversal of 1224130144 is 4410314221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224130147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19127002 + ... + 19127065.

It is an arithmetic number, because the mean of its divisors is an integer number (200833857).

Almost surely, 2^1224130144 is an apocalyptic number.

It is an amenable number.

1224130144 is a deficient number, since it is larger than the sum of its proper divisors (1185876140).

1224130144 is an equidigital number, since it uses as much as digits as its factorization.

1224130144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38254077 (or 38254069 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1224130144 is about 34987.5712789556. The cubic root of 1224130144 is about 1069.7341593630.

Adding to 1224130144 its reverse (4410314221), we get a palindrome (5634444365).

The spelling of 1224130144 in words is "one billion, two hundred twenty-four million, one hundred thirty thousand, one hundred forty-four".