42126271 has 12 divisors (see below), whose sum is σ = 48320496. Its totient is φ = 36629120.

The previous prime is 42126269. The next prime is 42126319. The reversal of 42126271 is 17262124.

It is not a de Polignac number, because 42126271 - 2¹ = 42126269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42126871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4786 + ... + 10351.

It is an arithmetic number, because the mean of its divisors is an integer number (4026708).

Almost surely, 2^42126271 is an apocalyptic number.

42126271 is a deficient number, since it is larger than the sum of its proper divisors (6194225).

42126271 is a wasteful number, since it uses less digits than its factorization.

42126271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15182 (or 15171 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 42126271 is about 6490.4754063166. The cubic root of 42126271 is about 347.9506662571.

Adding to 42126271 its reverse (17262124), we get a palindrome (59388395).

The spelling of 42126271 in words is "forty-two million, one hundred twenty-six thousand, two hundred seventy-one".