1123966879 has 8 divisors (see below), whose sum is σ = 1285488288. Its totient is φ = 962684160.

The previous prime is 1123966853. The next prime is 1123966889. The reversal of 1123966879 is 9786693211.

It is a happy number.

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 1123966879 - 2⁵ = 1123966847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123966889) 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, 49462 + ... + 68515.

It is an arithmetic number, because the mean of its divisors is an integer number (160686036).

Almost surely, 2^1123966879 is an apocalyptic number.

1123966879 is a deficient number, since it is larger than the sum of its proper divisors (161521409).

1123966879 is a wasteful number, since it uses less digits than its factorization.

1123966879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119345.

The product of its digits is 979776, while the sum is 52.

The square root of 1123966879 is about 33525.6152665391. The cubic root of 1123966879 is about 1039.7234468684.

The spelling of 1123966879 in words is "one billion, one hundred twenty-three million, nine hundred sixty-six thousand, eight hundred seventy-nine".