1123878544 has 10 divisors (see below), whose sum is σ = 2177514710. Its totient is φ = 561939264.

The previous prime is 1123878533. The next prime is 1123878563. The reversal of 1123878544 is 4458783211.

It can be written as a sum of positive squares in only one way, i.e., 670188544 + 453690000 = 25888^2 + 21300^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1123878544.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35121189 + ... + 35121220.

It is an arithmetic number, because the mean of its divisors is an integer number (217751471).

Almost surely, 2^1123878544 is an apocalyptic number.

It is an amenable number.

1123878544 is a deficient number, since it is larger than the sum of its proper divisors (1053636166).

1123878544 is an equidigital number, since it uses as much as digits as its factorization.

1123878544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70242417 (or 70242411 counting only the distinct ones).

The product of its digits is 215040, while the sum is 43.

The square root of 1123878544 is about 33524.2978151668. The cubic root of 1123878544 is about 1039.6962081129.

The spelling of 1123878544 in words is "one billion, one hundred twenty-three million, eight hundred seventy-eight thousand, five hundred forty-four".