112005621 has 48 divisors (see below), whose sum is σ = 203257600. Its totient is φ = 59058720.

The previous prime is 112005611. The next prime is 112005629. The reversal of 112005621 is 126500211.

It is not a de Polignac number, because 112005621 - 2⁶ = 112005557 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112005594 and 112005603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112005629) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38736 + ... + 41526.

Almost surely, 2^112005621 is an apocalyptic number.

It is an amenable number.

112005621 is a deficient number, since it is larger than the sum of its proper divisors (91251979).

112005621 is a wasteful number, since it uses less digits than its factorization.

112005621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831 (or 2814 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 112005621 is about 10583.2708082143. The cubic root of 112005621 is about 482.0365166345.

Adding to 112005621 its reverse (126500211), we get a palindrome (238505832).

The spelling of 112005621 in words is "one hundred twelve million, five thousand, six hundred twenty-one".