42126278 has 8 divisors (see below), whose sum is σ = 63222768. Its totient is φ = 21052024.

The previous prime is 42126269. The next prime is 42126319. The reversal of 42126278 is 87262124.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500 + ... + 9192.

It is an arithmetic number, because the mean of its divisors is an integer number (7902846).

Almost surely, 2^42126278 is an apocalyptic number.

42126278 is a deficient number, since it is larger than the sum of its proper divisors (21096490).

42126278 is a wasteful number, since it uses less digits than its factorization.

42126278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11118.

The product of its digits is 10752, while the sum is 32.

The square root of 42126278 is about 6490.4759455682. The cubic root of 42126278 is about 347.9506855298.

The spelling of 42126278 in words is "forty-two million, one hundred twenty-six thousand, two hundred seventy-eight".