112240521 has 6 divisors (see below), whose sum is σ = 162125210. Its totient is φ = 74827008.

The previous prime is 112240517. The next prime is 112240567. The reversal of 112240521 is 125042211.

It can be written as a sum of positive squares in only one way, i.e., 101606400 + 10634121 = 10080^2 + 3261^2 .

It is not a de Polignac number, because 112240521 - 2² = 112240517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112240494 and 112240503.

It is not an unprimeable number, because it can be changed into a prime (112242521) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 6235576 + ... + 6235593.

Almost surely, 2^112240521 is an apocalyptic number.

It is an amenable number.

112240521 is a deficient number, since it is larger than the sum of its proper divisors (49884689).

112240521 is a wasteful number, since it uses less digits than its factorization.

112240521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12471175 (or 12471172 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 112240521 is about 10594.3626990962. The cubic root of 112240521 is about 482.3732595963.

Adding to 112240521 its reverse (125042211), we get a palindrome (237282732).

The spelling of 112240521 in words is "one hundred twelve million, two hundred forty thousand, five hundred twenty-one".