1144121232 has 40 divisors (see below), whose sum is σ = 2976927520. Its totient is φ = 378627840.

The previous prime is 1144121207. The next prime is 1144121239. The reversal of 1144121232 is 2321214411.

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

It is a junction number, because it is equal to n+sod(n) for n = 1144121199 and 1144121208.

It is not an unprimeable number, because it can be changed into a prime (1144121239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79069 + ... + 92412.

It is an arithmetic number, because the mean of its divisors is an integer number (74423188).

Almost surely, 2^1144121232 is an apocalyptic number.

1144121232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144121232 is an abundant number, since it is smaller than the sum of its proper divisors (1832806288).

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

1144121232 is a wasteful number, since it uses less digits than its factorization.

1144121232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171631 (or 171625 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 1144121232 is about 33824.8611527084. The cubic root of 1144121232 is about 1045.9012491668.

Adding to 1144121232 its reverse (2321214411), we get a palindrome (3465335643).

The spelling of 1144121232 in words is "one billion, one hundred forty-four million, one hundred twenty-one thousand, two hundred thirty-two".