42108118 has 16 divisors (see below), whose sum is σ = 68191200. Its totient is φ = 19385856.

The previous prime is 42108091. The next prime is 42108119. The reversal of 42108118 is 81180124.

It is a junction number, because it is equal to n+sod(n) for n = 42108092 and 42108101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42108119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9871 + ... + 13477.

It is an arithmetic number, because the mean of its divisors is an integer number (4261950).

Almost surely, 2^42108118 is an apocalyptic number.

42108118 is a deficient number, since it is larger than the sum of its proper divisors (26083082).

42108118 is a wasteful number, since it uses less digits than its factorization.

42108118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 42108118 is about 6489.0768218599. The cubic root of 42108118 is about 347.9006795878.

The spelling of 42108118 in words is "forty-two million, one hundred eight thousand, one hundred eighteen".