112134021 has 4 divisors (see below), whose sum is σ = 149512032. Its totient is φ = 74756012.

The previous prime is 112134019. The next prime is 112134041. The reversal of 112134021 is 120431211.

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.

It is a cyclic number.

It is not a de Polignac number, because 112134021 - 2¹ = 112134019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112134041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18689001 + ... + 18689006.

It is an arithmetic number, because the mean of its divisors is an integer number (37378008).

Almost surely, 2^112134021 is an apocalyptic number.

It is an amenable number.

112134021 is a deficient number, since it is larger than the sum of its proper divisors (37378011).

112134021 is an equidigital number, since it uses as much as digits as its factorization.

112134021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37378010.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 112134021 is about 10589.3352482580. The cubic root of 112134021 is about 482.2206438603.

Adding to 112134021 its reverse (120431211), we get a palindrome (232565232).

The spelling of 112134021 in words is "one hundred twelve million, one hundred thirty-four thousand, twenty-one".