42028124 has 6 divisors (see below), whose sum is σ = 73549224. Its totient is φ = 21014060.

The previous prime is 42028123. The next prime is 42028169. The reversal of 42028124 is 42182024.

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 42028124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42028121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5253512 + ... + 5253519.

It is an arithmetic number, because the mean of its divisors is an integer number (12258204).

Almost surely, 2^42028124 is an apocalyptic number.

It is an amenable number.

42028124 is a deficient number, since it is larger than the sum of its proper divisors (31521100).

42028124 is a wasteful number, since it uses less digits than its factorization.

42028124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10507035 (or 10507033 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 42028124 is about 6482.9101489994. The cubic root of 42028124 is about 347.6802342989.

The spelling of 42028124 in words is "forty-two million, twenty-eight thousand, one hundred twenty-four".