771201 has 10 divisors (see below), whose sum is σ = 1152162. Its totient is φ = 514080.

The previous prime is 771181. The next prime is 771209. The reversal of 771201 is 102177.

It can be written as a sum of positive squares in only one way, i.e., 641601 + 129600 = 801^2 + 360^2 .

It is not a de Polignac number, because 771201 - 2⁷ = 771073 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (771209) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4680 + ... + 4841.

2⁷⁷¹²⁰¹ is an apocalyptic number.

It is an amenable number.

771201 is a deficient number, since it is larger than the sum of its proper divisors (380961).

771201 is an equidigital number, since it uses as much as digits as its factorization.

771201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9533 (or 9524 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 18.

The square root of 771201 is about 878.1805053632. The cubic root of 771201 is about 91.7041932670.

Adding to 771201 its reverse (102177), we get a palindrome (873378).

The spelling of 771201 in words is "seven hundred seventy-one thousand, two hundred one", and thus it is an iban number.