1144123611 has 8 divisors (see below), whose sum is σ = 1530373200. Its totient is φ = 760311552.

The previous prime is 1144123553. The next prime is 1144123619. The reversal of 1144123611 is 1163214411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1144123611 - 2⁷ = 1144123483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144123619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608286 + ... + 610163.

It is an arithmetic number, because the mean of its divisors is an integer number (191296650).

Almost surely, 2^1144123611 is an apocalyptic number.

1144123611 is a deficient number, since it is larger than the sum of its proper divisors (386249589).

1144123611 is a wasteful number, since it uses less digits than its factorization.

1144123611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218765.

The product of its digits is 576, while the sum is 24.

The square root of 1144123611 is about 33824.8963191316. The cubic root of 1144123611 is about 1045.9019740892.

The spelling of 1144123611 in words is "one billion, one hundred forty-four million, one hundred twenty-three thousand, six hundred eleven".