42147112 has 16 divisors (see below), whose sum is σ = 90315360. Its totient is φ = 18063024.

The previous prime is 42147103. The next prime is 42147113. The reversal of 42147112 is 21174124.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (42147113) 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, 376258 + ... + 376369.

It is an arithmetic number, because the mean of its divisors is an integer number (5644710).

Almost surely, 2^42147112 is an apocalyptic number.

It is an amenable number.

42147112 is an abundant number, since it is smaller than the sum of its proper divisors (48168248).

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

42147112 is a wasteful number, since it uses less digits than its factorization.

42147112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752640 (or 752636 counting only the distinct ones).

The product of its digits is 448, while the sum is 22.

The square root of 42147112 is about 6492.0807142241. The cubic root of 42147112 is about 348.0080369835.

The spelling of 42147112 in words is "forty-two million, one hundred forty-seven thousand, one hundred twelve".