1123546879 has 16 divisors (see below), whose sum is σ = 1386968128. Its totient is φ = 886298112.

The previous prime is 1123546877. The next prime is 1123546889. The reversal of 1123546879 is 9786453211.

It is not a de Polignac number, because 1123546879 - 2¹ = 1123546877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123546873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12349 + ... + 48985.

It is an arithmetic number, because the mean of its divisors is an integer number (86685508).

Almost surely, 2^1123546879 is an apocalyptic number.

1123546879 is a deficient number, since it is larger than the sum of its proper divisors (263421249).

1123546879 is a wasteful number, since it uses less digits than its factorization.

1123546879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36994.

The product of its digits is 362880, while the sum is 46.

The square root of 1123546879 is about 33519.3508141193. The cubic root of 1123546879 is about 1039.5939239972.

The spelling of 1123546879 in words is "one billion, one hundred twenty-three million, five hundred forty-six thousand, eight hundred seventy-nine".