42125443 has 8 divisors (see below), whose sum is σ = 44022528. Its totient is φ = 40233864.

The previous prime is 42125437. The next prime is 42125477. The reversal of 42125443 is 34452124.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42125443 - 2²¹ = 40028291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42125543) 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, 26530 + ... + 28072.

It is an arithmetic number, because the mean of its divisors is an integer number (5502816).

Almost surely, 2^42125443 is an apocalyptic number.

42125443 is a deficient number, since it is larger than the sum of its proper divisors (1897085).

42125443 is a wasteful number, since it uses less digits than its factorization.

42125443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753.

The product of its digits is 3840, while the sum is 25.

The square root of 42125443 is about 6490.4116202287. The cubic root of 42125443 is about 347.9483865630.

Adding to 42125443 its reverse (34452124), we get a palindrome (76577567).

The spelling of 42125443 in words is "forty-two million, one hundred twenty-five thousand, four hundred forty-three".