1144206279 has 6 divisors (see below), whose sum is σ = 1652742416. Its totient is φ = 762804180.

The previous prime is 1144206253. The next prime is 1144206299. The reversal of 1144206279 is 9726024411.

It is a happy number.

1144206279 is a `hidden beast` number, since 1 + 1 + 4 + 4 + 20 + 627 + 9 = 666.

It is not a de Polignac number, because 1144206279 - 2¹⁶ = 1144140743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144206209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63567007 + ... + 63567024.

Almost surely, 2^1144206279 is an apocalyptic number.

1144206279 is a deficient number, since it is larger than the sum of its proper divisors (508536137).

1144206279 is a wasteful number, since it uses less digits than its factorization.

1144206279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127134037 (or 127134034 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1144206279 is about 33826.1182963697. The cubic root of 1144206279 is about 1045.9271638330.

The spelling of 1144206279 in words is "one billion, one hundred forty-four million, two hundred six thousand, two hundred seventy-nine".