1123450144 has 24 divisors (see below), whose sum is σ = 2242095660. Its totient is φ = 554029056.

The previous prime is 1123450127. The next prime is 1123450187. The reversal of 1123450144 is 4410543211.

It can be written as a sum of positive squares in 2 ways, for example, as 1063542544 + 59907600 = 32612^2 + 7740^2 .

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, 238129 + ... + 242800.

Almost surely, 2^1123450144 is an apocalyptic number.

It is an amenable number.

1123450144 is a deficient number, since it is larger than the sum of its proper divisors (1118645516).

1123450144 is an equidigital number, since it uses as much as digits as its factorization.

1123450144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481012 (or 481004 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1123450144 is about 33517.9078106018. The cubic root of 1123450144 is about 1039.5640875313.

Adding to 1123450144 its reverse (4410543211), we get a palindrome (5533993355).

The spelling of 1123450144 in words is "one billion, one hundred twenty-three million, four hundred fifty thousand, one hundred forty-four".