1144122617 has 4 divisors (see below), whose sum is σ = 1248133776. Its totient is φ = 1040111460.

The previous prime is 1144122599. The next prime is 1144122643. The reversal of 1144122617 is 7162214411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1144122617 - 2¹⁴ = 1144106233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144122617.

It is not an unprimeable number, because it can be changed into a prime (1144122697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52005563 + ... + 52005584.

It is an arithmetic number, because the mean of its divisors is an integer number (312033444).

Almost surely, 2^1144122617 is an apocalyptic number.

It is an amenable number.

1144122617 is a deficient number, since it is larger than the sum of its proper divisors (104011159).

1144122617 is a wasteful number, since it uses less digits than its factorization.

1144122617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104011158.

The product of its digits is 2688, while the sum is 29.

The square root of 1144122617 is about 33824.8816258091. The cubic root of 1144122617 is about 1045.9016712003.

The spelling of 1144122617 in words is "one billion, one hundred forty-four million, one hundred twenty-two thousand, six hundred seventeen".