1123875321 has 8 divisors (see below), whose sum is σ = 1586647584. Its totient is φ = 705176640.

The previous prime is 1123875293. The next prime is 1123875323. The reversal of 1123875321 is 1235783211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1123875321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123875323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11018335 + ... + 11018436.

It is an arithmetic number, because the mean of its divisors is an integer number (198330948).

Almost surely, 2^1123875321 is an apocalyptic number.

It is an amenable number.

1123875321 is a deficient number, since it is larger than the sum of its proper divisors (462772263).

1123875321 is a wasteful number, since it uses less digits than its factorization.

1123875321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22036791.

The product of its digits is 10080, while the sum is 33.

The square root of 1123875321 is about 33524.2497455200. The cubic root of 1123875321 is about 1039.6952142499.

The spelling of 1123875321 in words is "one billion, one hundred twenty-three million, eight hundred seventy-five thousand, three hundred twenty-one".