42126411 has 4 divisors (see below), whose sum is σ = 56168552. Its totient is φ = 28084272.

The previous prime is 42126389. The next prime is 42126443. The reversal of 42126411 is 11462124.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42126411 - 2⁶ = 42126347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42126481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7021066 + ... + 7021071.

It is an arithmetic number, because the mean of its divisors is an integer number (14042138).

Almost surely, 2^42126411 is an apocalyptic number.

42126411 is a deficient number, since it is larger than the sum of its proper divisors (14042141).

42126411 is a wasteful number, since it uses less digits than its factorization.

42126411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14042140.

The product of its digits is 384, while the sum is 21.

The square root of 42126411 is about 6490.4861913419. The cubic root of 42126411 is about 347.9510517097.

Adding to 42126411 its reverse (11462124), we get a palindrome (53588535).

The spelling of 42126411 in words is "forty-two million, one hundred twenty-six thousand, four hundred eleven".