112256639 has 8 divisors (see below), whose sum is σ = 123013632. Its totient is φ = 101591640.

The previous prime is 112256581. The next prime is 112256657. The reversal of 112256639 is 936652211.

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-112256639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112256599 and 112256608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112256689) 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, 20429 + ... + 25334.

It is an arithmetic number, because the mean of its divisors is an integer number (15376704).

Almost surely, 2^112256639 is an apocalyptic number.

112256639 is a deficient number, since it is larger than the sum of its proper divisors (10756993).

112256639 is a wasteful number, since it uses less digits than its factorization.

112256639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45997.

The product of its digits is 19440, while the sum is 35.

The square root of 112256639 is about 10595.1233593574. The cubic root of 112256639 is about 482.3963484653.

The spelling of 112256639 in words is "one hundred twelve million, two hundred fifty-six thousand, six hundred thirty-nine".