1123769078171 has 4 divisors (see below), whose sum is σ = 1123771283472. Its totient is φ = 1123766872872.

The previous prime is 1123769078147. The next prime is 1123769078177. The reversal of 1123769078171 is 1718709673211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1123769078171 - 2¹⁰ = 1123769077147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123769078177) 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, 96185 + ... + 1502261.

It is an arithmetic number, because the mean of its divisors is an integer number (280942820868).

Almost surely, 2^{1123769078171} is an apocalyptic number.

1123769078171 is a deficient number, since it is larger than the sum of its proper divisors (2205301).

1123769078171 is an equidigital number, since it uses as much as digits as its factorization.

1123769078171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205300.

The product of its (nonzero) digits is 889056, while the sum is 53.

The spelling of 1123769078171 in words is "one trillion, one hundred twenty-three billion, seven hundred sixty-nine million, seventy-eight thousand, one hundred seventy-one".