42127125 has 16 divisors (see below), whose sum is σ = 70100160. Its totient is φ = 22467600.

The previous prime is 42127093. The next prime is 42127133. The reversal of 42127125 is 52172124.

It is not a de Polignac number, because 42127125 - 2⁵ = 42127093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42127095 and 42127104.

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, 55795 + ... + 56544.

It is an arithmetic number, because the mean of its divisors is an integer number (4381260).

Almost surely, 2^42127125 is an apocalyptic number.

It is an amenable number.

42127125 is a deficient number, since it is larger than the sum of its proper divisors (27973035).

42127125 is a wasteful number, since it uses less digits than its factorization.

42127125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112357 (or 112347 counting only the distinct ones).

The product of its digits is 1120, while the sum is 24.

The square root of 42127125 is about 6490.5411946925. The cubic root of 42127125 is about 347.9530175046.

Adding to 42127125 its reverse (52172124), we get a palindrome (94299249).

The spelling of 42127125 in words is "forty-two million, one hundred twenty-seven thousand, one hundred twenty-five".