1123054144 has 63 divisors (see below), whose sum is σ = 2299351891. Its totient is φ = 544234880.

The previous prime is 1123054129. The next prime is 1123054169. The reversal of 1123054144 is 4414503211.

The square root of 1123054144 is 33512.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×1123054144² = 2522501220711145472, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15817629 + ... + 15817699.

Almost surely, 2^1123054144 is an apocalyptic number.

1123054144 is the 33512-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123054144

1123054144 is an abundant number, since it is smaller than the sum of its proper divisors (1176297747).

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

1123054144 is an frugal number, since it uses more digits than its factorization.

1123054144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 132 counting only the distinct ones).

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

The cubic root of 1123054144 is about 1039.4419293862.

Multiplying 1123054144 by its sum of digits (25), we get a square (28076353600 = 167560²).

Adding to 1123054144 its reverse (4414503211), we get a palindrome (5537557355).

The spelling of 1123054144 in words is "one billion, one hundred twenty-three million, fifty-four thousand, one hundred forty-four".