42141125 has 16 divisors (see below), whose sum is σ = 56639856. Its totient is φ = 31118400.

The previous prime is 42141119. The next prime is 42141133. The reversal of 42141125 is 52114124.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 27867841 + 14273284 = 5279^2 + 3778^2 .

It is not a de Polignac number, because 42141125 - 2⁸ = 42140869 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42141097 and 42141106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11342 + ... + 14591.

It is an arithmetic number, because the mean of its divisors is an integer number (3539991).

Almost surely, 2^42141125 is an apocalyptic number.

It is an amenable number.

42141125 is a deficient number, since it is larger than the sum of its proper divisors (14498731).

42141125 is a wasteful number, since it uses less digits than its factorization.

42141125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25961 (or 25951 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 42141125 is about 6491.6195976043. The cubic root of 42141125 is about 347.9915580151.

Adding to 42141125 its reverse (52114124), we get a palindrome (94255249).

It can be divided in two parts, 42141 and 125, that multiplied together give a palindrome (5267625).

The spelling of 42141125 in words is "forty-two million, one hundred forty-one thousand, one hundred twenty-five".