112740128 has 18 divisors (see below), whose sum is σ = 222075441. Its totient is φ = 56340032.

The previous prime is 112740113. The next prime is 112740137. The reversal of 112740128 is 821047211.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 110923024 + 1817104 = 10532^2 + 1348^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7508.

It is a super-2 number, since 2×112740128² = 25420672922912768, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112740097 and 112740106.

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 2 ways as a sum of consecutive naturals, for example, 59126 + ... + 61002.

Almost surely, 2^112740128 is an apocalyptic number.

It is an amenable number.

112740128 is a deficient number, since it is larger than the sum of its proper divisors (109335313).

112740128 is an frugal number, since it uses more digits than its factorization.

112740128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764 (or 1879 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 112740128 is about 10617.9154262972. The cubic root of 112740128 is about 483.0879164178.

Adding to 112740128 its reverse (821047211), we get a palindrome (933787339).

The spelling of 112740128 in words is "one hundred twelve million, seven hundred forty thousand, one hundred twenty-eight".