7127122 has 16 divisors (see below), whose sum is σ = 11057472. Its totient is φ = 3443440.

The previous prime is 7127089. The next prime is 7127129. The reversal of 7127122 is 2217217.

It is a junction number, because it is equal to n+sod(n) for n = 7127093 and 7127102.

It is not an unprimeable number, because it can be changed into a prime (7127129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7053 + ... + 7999.

It is an arithmetic number, because the mean of its divisors is an integer number (691092).

Almost surely, 2^7127122 is an apocalyptic number.

7127122 is a deficient number, since it is larger than the sum of its proper divisors (3930350).

7127122 is a wasteful number, since it uses less digits than its factorization.

7127122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073.

The product of its digits is 392, while the sum is 22.

The square root of 7127122 is about 2669.6670204353. The cubic root of 7127122 is about 192.4441576371. Note that the first 3 decimals are identical.

The spelling of 7127122 in words is "seven million, one hundred twenty-seven thousand, one hundred twenty-two".