1144920193 has 16 divisors (see below), whose sum is σ = 1223703360. Its totient is φ = 1069540416.

The previous prime is 1144920191. The next prime is 1144920209. The reversal of 1144920193 is 3910294411.

It is a cyclic number.

It is not a de Polignac number, because 1144920193 - 2¹ = 1144920191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144920191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87771 + ... + 99967.

It is an arithmetic number, because the mean of its divisors is an integer number (76481460).

Almost surely, 2^1144920193 is an apocalyptic number.

It is an amenable number.

1144920193 is a deficient number, since it is larger than the sum of its proper divisors (78783167).

1144920193 is a wasteful number, since it uses less digits than its factorization.

1144920193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12336.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1144920193 is about 33836.6693544149. The cubic root of 1144920193 is about 1046.1446499088.

The spelling of 1144920193 in words is "one billion, one hundred forty-four million, nine hundred twenty thousand, one hundred ninety-three".