1144122599 has 2 divisors, whose sum is σ = 1144122600. Its totient is φ = 1144122598.

The previous prime is 1144122569. The next prime is 1144122643. The reversal of 1144122599 is 9952214411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1144122599 - 2¹⁶ = 1144057063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144122569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572061299 + 572061300.

It is an arithmetic number, because the mean of its divisors is an integer number (572061300).

Almost surely, 2^1144122599 is an apocalyptic number.

1144122599 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144122599 is an equidigital number, since it uses as much as digits as its factorization.

1144122599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 38.

The square root of 1144122599 is about 33824.8813597328. The cubic root of 1144122599 is about 1045.9016657154.

The spelling of 1144122599 in words is "one billion, one hundred forty-four million, one hundred twenty-two thousand, five hundred ninety-nine".