42542126 has 16 divisors (see below), whose sum is σ = 73710000. Its totient is φ = 18199680.

The previous prime is 42542113. The next prime is 42542131. The reversal of 42542126 is 62124524.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42542095 and 42542104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56501 + ... + 57248.

It is an arithmetic number, because the mean of its divisors is an integer number (4606875).

Almost surely, 2^42542126 is an apocalyptic number.

42542126 is a deficient number, since it is larger than the sum of its proper divisors (31167874).

42542126 is a wasteful number, since it uses less digits than its factorization.

42542126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113779.

The product of its digits is 3840, while the sum is 26.

The square root of 42542126 is about 6522.4325216900. The cubic root of 42542126 is about 349.0918661401.

The spelling of 42542126 in words is "forty-two million, five hundred forty-two thousand, one hundred twenty-six".