112440521 has 4 divisors (see below), whose sum is σ = 115479492. Its totient is φ = 109401552.

The previous prime is 112440487. The next prime is 112440527. The reversal of 112440521 is 125044211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96727225 + 15713296 = 9835^2 + 3964^2 .

It is a cyclic number.

It is not a de Polignac number, because 112440521 - 2⁶ = 112440457 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112440493 and 112440502.

It is not an unprimeable number, because it can be changed into a prime (112440527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1519430 + ... + 1519503.

It is an arithmetic number, because the mean of its divisors is an integer number (28869873).

Almost surely, 2^112440521 is an apocalyptic number.

It is an amenable number.

112440521 is a deficient number, since it is larger than the sum of its proper divisors (3038971).

112440521 is an equidigital number, since it uses as much as digits as its factorization.

112440521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038970.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 112440521 is about 10603.7974801483. The cubic root of 112440521 is about 482.6596012412.

Adding to 112440521 its reverse (125044211), we get a palindrome (237484732).

The spelling of 112440521 in words is "one hundred twelve million, four hundred forty thousand, five hundred twenty-one".