1123526730128 has 20 divisors (see below), whose sum is σ = 2374726952688. Its totient is φ = 510693968160.

The previous prime is 1123526730121. The next prime is 1123526730149. The reversal of 1123526730128 is 8210376253211.

It is not an unprimeable number, because it can be changed into a prime (1123526730121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3191837126 + ... + 3191837477.

Almost surely, 2^{1123526730128} is an apocalyptic number.

It is an amenable number.

1123526730128 is an abundant number, since it is smaller than the sum of its proper divisors (1251200222560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123526730128 is a wasteful number, since it uses less digits than its factorization.

1123526730128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6383674622 (or 6383674616 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 1123526730128 in words is "one trillion, one hundred twenty-three billion, five hundred twenty-six million, seven hundred thirty thousand, one hundred twenty-eight".