1123271715 has 16 divisors (see below), whose sum is σ = 1845809568. Its totient is φ = 582886656.

The previous prime is 1123271707. The next prime is 1123271717. The reversal of 1123271715 is 5171723211.

It is not a de Polignac number, because 1123271715 - 2³ = 1123271707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123271717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1011402 + ... + 1012511.

It is an arithmetic number, because the mean of its divisors is an integer number (115363098).

Almost surely, 2^1123271715 is an apocalyptic number.

1123271715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1123271715 is a deficient number, since it is larger than the sum of its proper divisors (722537853).

1123271715 is a wasteful number, since it uses less digits than its factorization.

1123271715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023958.

The product of its digits is 2940, while the sum is 30.

The square root of 1123271715 is about 33515.2460083467. The cubic root of 1123271715 is about 1039.5090492778.

Adding to 1123271715 its reverse (5171723211), we get a palindrome (6294994926).

The spelling of 1123271715 in words is "one billion, one hundred twenty-three million, two hundred seventy-one thousand, seven hundred fifteen".