7127042 has 8 divisors (see below), whose sum is σ = 11512956. Its totient is φ = 3289392.

The previous prime is 7127039. The next prime is 7127053. The reversal of 7127042 is 2407217.

It can be written as a sum of positive squares in 2 ways, for example, as 7123561 + 3481 = 2669^2 + 59^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 7126999 and 7127017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137033 + ... + 137084.

Almost surely, 2^7127042 is an apocalyptic number.

7127042 is a deficient number, since it is larger than the sum of its proper divisors (4385914).

7127042 is a wasteful number, since it uses less digits than its factorization.

7127042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274132.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 7127042 is about 2669.6520372513. The cubic root of 7127042 is about 192.4434375900.

The spelling of 7127042 in words is "seven million, one hundred twenty-seven thousand, forty-two".