112405631 has 8 divisors (see below), whose sum is σ = 121262064. Its totient is φ = 103579200.

The previous prime is 112405613. The next prime is 112405673. The reversal of 112405631 is 136504211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112405631 is a prime.

It is a super-4 number, since 4×112405631⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112405597 and 112405606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112405681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620 + ... + 15006.

It is an arithmetic number, because the mean of its divisors is an integer number (15157758).

Almost surely, 2^112405631 is an apocalyptic number.

112405631 is a deficient number, since it is larger than the sum of its proper divisors (8856433).

112405631 is a wasteful number, since it uses less digits than its factorization.

112405631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15001.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 112405631 is about 10602.1521871741. The cubic root of 112405631 is about 482.6096734055.

Adding to 112405631 its reverse (136504211), we get a palindrome (248909842).

The spelling of 112405631 in words is "one hundred twelve million, four hundred five thousand, six hundred thirty-one".