112134421 has 4 divisors (see below), whose sum is σ = 128153632. Its totient is φ = 96115212.

The previous prime is 112134419. The next prime is 112134461. The reversal of 112134421 is 124431211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124431211 = 17 ⋅7319483.

It is a cyclic number.

It is not a de Polignac number, because 112134421 - 2¹ = 112134419 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 (112134461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8009595 + ... + 8009608.

It is an arithmetic number, because the mean of its divisors is an integer number (32038408).

Almost surely, 2^112134421 is an apocalyptic number.

It is an amenable number.

112134421 is a deficient number, since it is larger than the sum of its proper divisors (16019211).

112134421 is an equidigital number, since it uses as much as digits as its factorization.

112134421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16019210.

The product of its digits is 192, while the sum is 19.

The square root of 112134421 is about 10589.3541351680. The cubic root of 112134421 is about 482.2212172457.

Adding to 112134421 its reverse (124431211), we get a palindrome (236565632).

The spelling of 112134421 in words is "one hundred twelve million, one hundred thirty-four thousand, four hundred twenty-one".