42125043 has 8 divisors (see below), whose sum is σ = 56712448. Its totient is φ = 27810504.

The previous prime is 42124987. The next prime is 42125047. The reversal of 42125043 is 34052124.

42125043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42125043 - 2⁸ = 42124787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42125047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67855 + ... + 68472.

It is an arithmetic number, because the mean of its divisors is an integer number (7089056).

Almost surely, 2^42125043 is an apocalyptic number.

42125043 is a deficient number, since it is larger than the sum of its proper divisors (14587405).

42125043 is a wasteful number, since it uses less digits than its factorization.

42125043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136433.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 42125043 is about 6490.3808054690. The cubic root of 42125043 is about 347.9472852508.

Adding to 42125043 its reverse (34052124), we get a palindrome (76177167).

The spelling of 42125043 in words is "forty-two million, one hundred twenty-five thousand, forty-three".