42188124 has 24 divisors (see below), whose sum is σ = 107388288. Its totient is φ = 12784240.

The previous prime is 42188051. The next prime is 42188131.

42188124 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 42188091 and 42188100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159672 + ... + 159935.

It is an arithmetic number, because the mean of its divisors is an integer number (4474512).

Almost surely, 2^42188124 is an apocalyptic number.

42188124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42188124 is an abundant number, since it is smaller than the sum of its proper divisors (65200164).

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

42188124 is a wasteful number, since it uses less digits than its factorization.

42188124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319625 (or 319623 counting only the distinct ones).

The product of its digits is 4096, while the sum is 30.

The square root of 42188124 is about 6495.2385637481. The cubic root of 42188124 is about 348.1208788689.

The spelling of 42188124 in words is "forty-two million, one hundred eighty-eight thousand, one hundred twenty-four".