1124212144 has 80 divisors (see below), whose sum is σ = 2524972320. Its totient is φ = 479969280.

The previous prime is 1124212109. The next prime is 1124212163. The reversal of 1124212144 is 4412124211.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185872 + ... + 191824.

It is an arithmetic number, because the mean of its divisors is an integer number (31562154).

Almost surely, 2^1124212144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1124212144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1262486160).

1124212144 is an abundant number, since it is smaller than the sum of its proper divisors (1400760176).

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

1124212144 is a wasteful number, since it uses less digits than its factorization.

1124212144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6038 (or 6032 counting only the distinct ones).

The product of its digits is 512, while the sum is 22.

The square root of 1124212144 is about 33529.2729417147. The cubic root of 1124212144 is about 1039.7990686770.

Adding to 1124212144 its reverse (4412124211), we get a palindrome (5536336355).

The spelling of 1124212144 in words is "one billion, one hundred twenty-four million, two hundred twelve thousand, one hundred forty-four".