112021540 has 24 divisors (see below), whose sum is σ = 235445112. Its totient is φ = 44770560.

The previous prime is 112021529. The next prime is 112021573. The reversal of 112021540 is 45120211.

It can be written as a sum of positive squares in 4 ways, for example, as 4981824 + 107039716 = 2232^2 + 10346^2 .

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, 41430 + ... + 44050.

It is an arithmetic number, because the mean of its divisors is an integer number (9810213).

Almost surely, 2^112021540 is an apocalyptic number.

112021540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112021540 is an abundant number, since it is smaller than the sum of its proper divisors (123423572).

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

112021540 is a wasteful number, since it uses less digits than its factorization.

112021540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4767 (or 4765 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 112021540 is about 10584.0228646767. The cubic root of 112021540 is about 482.0593523211.

Adding to 112021540 its reverse (45120211), we get a palindrome (157141751).

The spelling of 112021540 in words is "one hundred twelve million, twenty-one thousand, five hundred forty".