1123165260 has 108 divisors (see below), whose sum is σ = 3963199968. Its totient is φ = 256721472.

The previous prime is 1123165207. The next prime is 1123165261. The reversal of 1123165260 is 625613211.

1123165260 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 1 + 652 + 6 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (1123165261) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 54852 + ... + 72491.

It is an arithmetic number, because the mean of its divisors is an integer number (36696296).

Almost surely, 2^1123165260 is an apocalyptic number.

1123165260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123165260 is an abundant number, since it is smaller than the sum of its proper divisors (2840034708).

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

1123165260 is a wasteful number, since it uses less digits than its factorization.

1123165260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127372 (or 127360 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1123165260 is about 33513.6578128977. The cubic root of 1123165260 is about 1039.4762093661.

Adding to 1123165260 its reverse (625613211), we get a palindrome (1748778471).

The spelling of 1123165260 in words is "one billion, one hundred twenty-three million, one hundred sixty-five thousand, two hundred sixty".