112388861 has 8 divisors (see below), whose sum is σ = 122233944. Its totient is φ = 102715200.

The previous prime is 112388851. The next prime is 112388911. The reversal of 112388861 is 168883211.

It can be written as a sum of positive squares in 4 ways, for example, as 2788900 + 109599961 = 1670^2 + 10469^2 .

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-112388861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112388821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41486 + ... + 44111.

It is an arithmetic number, because the mean of its divisors is an integer number (15279243).

Almost surely, 2^112388861 is an apocalyptic number.

It is an amenable number.

112388861 is a deficient number, since it is larger than the sum of its proper divisors (9845083).

112388861 is a wasteful number, since it uses less digits than its factorization.

112388861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85711.

The product of its digits is 18432, while the sum is 38.

The square root of 112388861 is about 10601.3612805149. The cubic root of 112388861 is about 482.5856717410.

The spelling of 112388861 in words is "one hundred twelve million, three hundred eighty-eight thousand, eight hundred sixty-one".