1113740128 has 48 divisors (see below), whose sum is σ = 2276890560. Its totient is φ = 535628800.

The previous prime is 1113740093. The next prime is 1113740143. The reversal of 1113740128 is 8210473111.

It is a junction number, because it is equal to n+sod(n) for n = 1113740096 and 1113740105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258633 + ... + 262903.

It is an arithmetic number, because the mean of its divisors is an integer number (47435220).

Almost surely, 2^1113740128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113740128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1138445280).

1113740128 is an abundant number, since it is smaller than the sum of its proper divisors (1163150432).

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

1113740128 is a wasteful number, since it uses less digits than its factorization.

1113740128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4591 (or 4583 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1113740128 is about 33372.7452871351. The cubic root of 1113740128 is about 1036.5604218799.

The spelling of 1113740128 in words is "one billion, one hundred thirteen million, seven hundred forty thousand, one hundred twenty-eight".