7127201 has 2 divisors, whose sum is σ = 7127202. Its totient is φ = 7127200.

The previous prime is 7127177. The next prime is 7127203. The reversal of 7127201 is 1027217.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5499025 + 1628176 = 2345^2 + 1276^2 .

It is a cyclic number.

It is not a de Polignac number, because 7127201 - 2⁶ = 7127137 is a prime.

Together with 7127203, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 7127201 parts by 3775 straight cuts.

It is not a weakly prime, because it can be changed into another prime (7127203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3563600 + 3563601.

It is an arithmetic number, because the mean of its divisors is an integer number (3563601).

Almost surely, 2^7127201 is an apocalyptic number.

It is an amenable number.

7127201 is a deficient number, since it is larger than the sum of its proper divisors (1).

7127201 is an equidigital number, since it uses as much as digits as its factorization.

7127201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 7127201 is about 2669.6818162470. The cubic root of 7127201 is about 192.4448686783. Note that the first 3 decimals are identical.

It can be divided in two parts, 71 and 27201, that added together give a palindrome (27272).

The spelling of 7127201 in words is "seven million, one hundred twenty-seven thousand, two hundred one".