7042126 has 16 divisors (see below), whose sum is σ = 13001184. Its totient is φ = 2785824.

The previous prime is 7042121. The next prime is 7042129. The reversal of 7042126 is 6212407.

It is a junction number, because it is equal to n+sod(n) for n = 7042097 and 7042106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19165 + ... + 19528.

It is an arithmetic number, because the mean of its divisors is an integer number (812574).

Almost surely, 2^7042126 is an apocalyptic number.

7042126 is a deficient number, since it is larger than the sum of its proper divisors (5959058).

7042126 is a wasteful number, since it uses less digits than its factorization.

7042126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38715.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 7042126 is about 2653.7004352413. The cubic root of 7042126 is about 191.6760850654.

The spelling of 7042126 in words is "seven million, forty-two thousand, one hundred twenty-six".