112640111 has 8 divisors (see below), whose sum is σ = 113837664. Its totient is φ = 111448800.

The previous prime is 112640107. The next prime is 112640117. The reversal of 112640111 is 111046211.

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

It is a cyclic number.

It is not a de Polignac number, because 112640111 - 2² = 112640107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112640111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112640117) 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, 40481 + ... + 43173.

It is an arithmetic number, because the mean of its divisors is an integer number (14229708).

Almost surely, 2^112640111 is an apocalyptic number.

112640111 is a deficient number, since it is larger than the sum of its proper divisors (1197553).

112640111 is a wasteful number, since it uses less digits than its factorization.

112640111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 112640111 is about 10613.2045584734. The cubic root of 112640111 is about 482.9450175815.

Adding to 112640111 its reverse (111046211), we get a palindrome (223686322).

The spelling of 112640111 in words is "one hundred twelve million, six hundred forty thousand, one hundred eleven".