1144850117 has 4 divisors (see below), whose sum is σ = 1144938060. Its totient is φ = 1144762176.

The previous prime is 1144850107. The next prime is 1144850129. The reversal of 1144850117 is 7110584411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7110584411 = 7 ⋅1015797773.

It can be written as a sum of positive squares in 2 ways, for example, as 173343556 + 971506561 = 13166^2 + 31169^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144850117 - 2¹⁰ = 1144849093 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 (1144850107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20138 + ... + 51915.

It is an arithmetic number, because the mean of its divisors is an integer number (286234515).

Almost surely, 2^1144850117 is an apocalyptic number.

It is an amenable number.

1144850117 is a deficient number, since it is larger than the sum of its proper divisors (87943).

1144850117 is an equidigital number, since it uses as much as digits as its factorization.

1144850117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87942.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 1144850117 is about 33835.6338347607. The cubic root of 1144850117 is about 1046.1233060257.

The spelling of 1144850117 in words is "one billion, one hundred forty-four million, eight hundred fifty thousand, one hundred seventeen".