112312405 has 4 divisors (see below), whose sum is σ = 134774892. Its totient is φ = 89849920.

The previous prime is 112312399. The next prime is 112312423. The reversal of 112312405 is 504213211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55249489 + 57062916 = 7433^2 + 7554^2 .

It is not a de Polignac number, because 112312405 - 2³ = 112312397 is a prime.

It is a super-2 number, since 2×112312405² = 25228152633768050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11231236 + ... + 11231245.

It is an arithmetic number, because the mean of its divisors is an integer number (33693723).

Almost surely, 2^112312405 is an apocalyptic number.

It is an amenable number.

112312405 is a deficient number, since it is larger than the sum of its proper divisors (22462487).

112312405 is an equidigital number, since it uses as much as digits as its factorization.

112312405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22462486.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 112312405 is about 10597.7547150328. The cubic root of 112312405 is about 482.4762156388.

Adding to 112312405 its reverse (504213211), we get a palindrome (616525616).

The spelling of 112312405 in words is "one hundred twelve million, three hundred twelve thousand, four hundred five".