7127142 has 24 divisors (see below), whose sum is σ = 15669528. Its totient is φ = 2159520.

The previous prime is 7127137. The next prime is 7127161. The reversal of 7127142 is 2417217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4183 + ... + 5634.

It is an arithmetic number, because the mean of its divisors is an integer number (652897).

Almost surely, 2^7127142 is an apocalyptic number.

7127142 is an abundant number, since it is smaller than the sum of its proper divisors (8542386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7127142 is a wasteful number, since it uses less digits than its factorization.

7127142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9844 (or 9833 counting only the distinct ones).

The product of its digits is 784, while the sum is 24.

The square root of 7127142 is about 2669.6707662182. The cubic root of 7127142 is about 192.4443376480. Note that the first 3 decimals are identical.

The spelling of 7127142 in words is "seven million, one hundred twenty-seven thousand, one hundred forty-two".