1123271716 has 36 divisors (see below), whose sum is σ = 2371027008. Its totient is φ = 456061104.

The previous prime is 1123271707. The next prime is 1123271717. The reversal of 1123271716 is 6171723211.

It is not an unprimeable number, because it can be changed into a prime (1123271717) 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 11 ways as a sum of consecutive naturals, for example, 45456 + ... + 65671.

Almost surely, 2^1123271716 is an apocalyptic number.

It is an amenable number.

1123271716 is an abundant number, since it is smaller than the sum of its proper divisors (1247755292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123271716 is a wasteful number, since it uses less digits than its factorization.

1123271716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111176 (or 111155 counting only the distinct ones).

The product of its digits is 3528, while the sum is 31.

The square root of 1123271716 is about 33515.2460232653. The cubic root of 1123271716 is about 1039.5090495863.

Adding to 1123271716 its reverse (6171723211), we get a palindrome (7294994927).

The spelling of 1123271716 in words is "one billion, one hundred twenty-three million, two hundred seventy-one thousand, seven hundred sixteen".