1123271724 has 12 divisors (see below), whose sum is σ = 2620967384. Its totient is φ = 374423904.

The previous prime is 1123271717. The next prime is 1123271741. The reversal of 1123271724 is 4271723211.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1123271691 and 1123271700.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46802977 + ... + 46803000.

Almost surely, 2^1123271724 is an apocalyptic number.

It is an amenable number.

1123271724 is an abundant number, since it is smaller than the sum of its proper divisors (1497695660).

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

1123271724 is a wasteful number, since it uses less digits than its factorization.

1123271724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93605984 (or 93605982 counting only the distinct ones).

The product of its digits is 4704, while the sum is 30.

The square root of 1123271724 is about 33515.2461426140. The cubic root of 1123271724 is about 1039.5090520541.

Adding to 1123271724 its reverse (4271723211), we get a palindrome (5394994935).

The spelling of 1123271724 in words is "one billion, one hundred twenty-three million, two hundred seventy-one thousand, seven hundred twenty-four".