1144128116 has 12 divisors (see below), whose sum is σ = 2002563780. Its totient is φ = 571967040.

The previous prime is 1144128109. The next prime is 1144128127. The reversal of 1144128116 is 6118214411.

It can be written as a sum of positive squares in 2 ways, for example, as 612364516 + 531763600 = 24746^2 + 23060^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6656 + ... + 48296.

It is an arithmetic number, because the mean of its divisors is an integer number (166880315).

Almost surely, 2^1144128116 is an apocalyptic number.

It is an amenable number.

1144128116 is a deficient number, since it is larger than the sum of its proper divisors (858435664).

1144128116 is a wasteful number, since it uses less digits than its factorization.

1144128116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48514 (or 48512 counting only the distinct ones).

The product of its digits is 1536, while the sum is 29.

The square root of 1144128116 is about 33824.9629120270. The cubic root of 1144128116 is about 1045.9033468378.

The spelling of 1144128116 in words is "one billion, one hundred forty-four million, one hundred twenty-eight thousand, one hundred sixteen".