42105124 has 24 divisors (see below), whose sum is σ = 78236928. Its totient is φ = 19758720.

The previous prime is 42105109. The next prime is 42105139. The reversal of 42105124 is 42150124.

It is an interprime number because it is at equal distance from previous prime (42105109) and next prime (42105139).

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, 33589 + ... + 34819.

It is an arithmetic number, because the mean of its divisors is an integer number (3259872).

Almost surely, 2^42105124 is an apocalyptic number.

It is an amenable number.

42105124 is a deficient number, since it is larger than the sum of its proper divisors (36131804).

42105124 is a wasteful number, since it uses less digits than its factorization.

42105124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755 (or 1753 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 42105124 is about 6488.8461223857. The cubic root of 42105124 is about 347.8924338356.

Adding to 42105124 its reverse (42150124), we get a palindrome (84255248).

The spelling of 42105124 in words is "forty-two million, one hundred five thousand, one hundred twenty-four".