112720685 has 64 divisors (see below), whose sum is σ = 178343424. Its totient is φ = 66355200.

The previous prime is 112720679. The next prime is 112720691. The reversal of 112720685 is 586027211.

It is an interprime number because it is at equal distance from previous prime (112720679) and next prime (112720691).

It is not a de Polignac number, because 112720685 - 2¹⁶ = 112655149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 583949 + ... + 584141.

It is an arithmetic number, because the mean of its divisors is an integer number (2786616).

Almost surely, 2^112720685 is an apocalyptic number.

It is an amenable number.

112720685 is a deficient number, since it is larger than the sum of its proper divisors (65622739).

112720685 is a wasteful number, since it uses less digits than its factorization.

112720685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 112720685 is about 10616.9998116229. Note that the first 3 decimals coincide. The cubic root of 112720685 is about 483.0601439392.

Adding to 112720685 its reverse (586027211), we get a palindrome (698747896).

It can be divided in two parts, 1127 and 20685, that added together give a palindrome (21812).

The spelling of 112720685 in words is "one hundred twelve million, seven hundred twenty thousand, six hundred eighty-five".