1123119171 has 18 divisors (see below), whose sum is σ = 1628531060. Its totient is φ = 745871616.

The previous prime is 1123119169. The next prime is 1123119197. The reversal of 1123119171 is 1719113211.

It is not a de Polignac number, because 1123119171 - 2¹ = 1123119169 is a prime.

It is a super-2 number, since 2×1123119171² = 2522793344535454482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123199171) 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 17 ways as a sum of consecutive naturals, for example, 1814100 + ... + 1814718.

Almost surely, 2^1123119171 is an apocalyptic number.

1123119171 is a deficient number, since it is larger than the sum of its proper divisors (505411889).

1123119171 is an frugal number, since it uses more digits than its factorization.

1123119171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523 (or 1071 counting only the distinct ones).

The product of its digits is 378, while the sum is 27.

The square root of 1123119171 is about 33512.9701906590. The cubic root of 1123119171 is about 1039.4619908962.

The spelling of 1123119171 in words is "one billion, one hundred twenty-three million, one hundred nineteen thousand, one hundred seventy-one".