42112134 has 12 divisors (see below), whose sum is σ = 91242996. Its totient is φ = 14037372.

The previous prime is 42112129. The next prime is 42112139. The reversal of 42112134 is 43121124.

It is an interprime number because it is at equal distance from previous prime (42112129) and next prime (42112139).

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2339563 = 42112134 / (4 + 2 + 1 + 1 + 2 + 1 + 3 + 4).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42112139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1169764 + ... + 1169799.

It is an arithmetic number, because the mean of its divisors is an integer number (7603583).

Almost surely, 2^42112134 is an apocalyptic number.

42112134 is an abundant number, since it is smaller than the sum of its proper divisors (49130862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42112134 is a wasteful number, since it uses less digits than its factorization.

42112134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339571 (or 2339568 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 42112134 is about 6489.3862575747. The cubic root of 42112134 is about 347.9117394085.

Adding to 42112134 its reverse (43121124), we get a palindrome (85233258).

The spelling of 42112134 in words is "forty-two million, one hundred twelve thousand, one hundred thirty-four".