1124142144 has 56 divisors (see below), whose sum is σ = 3130844640. Its totient is φ = 354991104.

The previous prime is 1124142133. The next prime is 1124142157. The reversal of 1124142144 is 4412414211.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150429 + ... + 157724.

It is an arithmetic number, because the mean of its divisors is an integer number (55907940).

Almost surely, 2^1124142144 is an apocalyptic number.

It is an amenable number.

1124142144 is an abundant number, since it is smaller than the sum of its proper divisors (2006702496).

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

1124142144 is a wasteful number, since it uses less digits than its factorization.

1124142144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308187 (or 308177 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

The square root of 1124142144 is about 33528.2290614938. The cubic root of 1124142144 is about 1039.7774869124. Note that the first 3 decimals are identical.

Adding to 1124142144 its reverse (4412414211), we get a palindrome (5536556355).

The spelling of 1124142144 in words is "one billion, one hundred twenty-four million, one hundred forty-two thousand, one hundred forty-four".