7142126 has 8 divisors (see below), whose sum is σ = 10724664. Its totient is φ = 3567240.

The previous prime is 7142117. The next prime is 7142129. The reversal of 7142126 is 6212417.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7142129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2141 + ... + 4343.

It is an arithmetic number, because the mean of its divisors is an integer number (1340583).

Almost surely, 2^7142126 is an apocalyptic number.

7142126 is a deficient number, since it is larger than the sum of its proper divisors (3582538).

7142126 is a wasteful number, since it uses less digits than its factorization.

7142126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826.

The product of its digits is 672, while the sum is 23.

The square root of 7142126 is about 2672.4756313201. The cubic root of 7142126 is about 192.5791073078.

The spelling of 7142126 in words is "seven million, one hundred forty-two thousand, one hundred twenty-six".