1144121312 has 12 divisors (see below), whose sum is σ = 2252488896. Its totient is φ = 572060640.

The previous prime is 1144121299. The next prime is 1144121317. The reversal of 1144121312 is 2131214411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144121317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17876864 + ... + 17876927.

It is an arithmetic number, because the mean of its divisors is an integer number (187707408).

Almost surely, 2^1144121312 is an apocalyptic number.

It is an amenable number.

1144121312 is a deficient number, since it is larger than the sum of its proper divisors (1108367584).

1144121312 is an equidigital number, since it uses as much as digits as its factorization.

1144121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35753801 (or 35753793 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

The square root of 1144121312 is about 33824.8623352705. The cubic root of 1144121312 is about 1045.9012735442.

Adding to 1144121312 its reverse (2131214411), we get a palindrome (3275335723).

The spelling of 1144121312 in words is "one billion, one hundred forty-four million, one hundred twenty-one thousand, three hundred twelve".