42012026 has 8 divisors (see below), whose sum is σ = 72020640. Its totient is φ = 18005148.

The previous prime is 42012017. The next prime is 42012073. The reversal of 42012026 is 62021024.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42011995 and 42012013.

It is an unprimeable number.

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, 1500416 + ... + 1500443.

It is an arithmetic number, because the mean of its divisors is an integer number (9002580).

Almost surely, 2^42012026 is an apocalyptic number.

42012026 is a deficient number, since it is larger than the sum of its proper divisors (30008614).

42012026 is a wasteful number, since it uses less digits than its factorization.

42012026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000868.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 42012026 is about 6481.6684580438. The cubic root of 42012026 is about 347.6358380658.

The spelling of 42012026 in words is "forty-two million, twelve thousand, twenty-six".