42107124 has 24 divisors (see below), whose sum is σ = 98486080. Its totient is φ = 14001984.

The previous prime is 42107111. The next prime is 42107129. The reversal of 42107124 is 42170124.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42107124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42107129) 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, 1272 + ... + 9264.

Almost surely, 2^42107124 is an apocalyptic number.

It is an amenable number.

42107124 is an abundant number, since it is smaller than the sum of its proper divisors (56378956).

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

42107124 is a wasteful number, since it uses less digits than its factorization.

42107124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8439 (or 8437 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 42107124 is about 6489.0002311604. Note that the first 3 decimals coincide. The cubic root of 42107124 is about 347.8979420634.

Adding to 42107124 its reverse (42170124), we get a palindrome (84277248).

The spelling of 42107124 in words is "forty-two million, one hundred seven thousand, one hundred twenty-four".