1123358939 has 8 divisors (see below), whose sum is σ = 1177237152. Its totient is φ = 1069900480.

The previous prime is 1123358921. The next prime is 1123358989. The reversal of 1123358939 is 9398533211.

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

It is a cyclic number.

It is not a de Polignac number, because 1123358939 - 2⁸ = 1123358683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1123358939.

It is not an unprimeable number, because it can be changed into a prime (1123358989) 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, 99452 + ... + 110169.

It is an arithmetic number, because the mean of its divisors is an integer number (147154644).

Almost surely, 2^1123358939 is an apocalyptic number.

1123358939 is a deficient number, since it is larger than the sum of its proper divisors (53878213).

1123358939 is a wasteful number, since it uses less digits than its factorization.

1123358939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209877.

The product of its digits is 174960, while the sum is 44.

The square root of 1123358939 is about 33516.5472416238. The cubic root of 1123358939 is about 1039.5359551425.

The spelling of 1123358939 in words is "one billion, one hundred twenty-three million, three hundred fifty-eight thousand, nine hundred thirty-nine".