112112405 has 16 divisors (see below), whose sum is σ = 142942320. Its totient is φ = 84252672.

The previous prime is 112112387. The next prime is 112112417. The reversal of 112112405 is 504211211.

It can be written as a sum of positive squares in 8 ways, for example, as 5134756 + 106977649 = 2266^2 + 10343^2 .

It is a cyclic number.

It is not a de Polignac number, because 112112405 - 2¹⁴ = 112096021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5084 + ... + 15813.

It is an arithmetic number, because the mean of its divisors is an integer number (8933895).

Almost surely, 2^112112405 is an apocalyptic number.

It is an amenable number.

112112405 is a deficient number, since it is larger than the sum of its proper divisors (30829915).

112112405 is a wasteful number, since it uses less digits than its factorization.

112112405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20968.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 112112405 is about 10588.3145495400. The cubic root of 112112405 is about 482.1896560857.

Adding to 112112405 its reverse (504211211), we get a palindrome (616323616).

The spelling of 112112405 in words is "one hundred twelve million, one hundred twelve thousand, four hundred five".