641201 has 8 divisors (see below), whose sum is σ = 710208. Its totient is φ = 574000.

The previous prime is 641197. The next prime is 641203. The reversal of 641201 is 102146.

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

It is a cyclic number.

It is not a de Polignac number, because 641201 - 2² = 641197 is a prime.

It is a super-2 number, since 2×641201² = 822277444802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641203) 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, 371 + ... + 1191.

It is an arithmetic number, because the mean of its divisors is an integer number (88776).

2⁶⁴¹²⁰¹ is an apocalyptic number.

It is an amenable number.

641201 is a deficient number, since it is larger than the sum of its proper divisors (69007).

641201 is a wasteful number, since it uses less digits than its factorization.

641201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 641201 is about 800.7502731813. The cubic root of 641201 is about 86.2312596685.

Adding to 641201 its reverse (102146), we get a palindrome (743347).

The spelling of 641201 in words is "six hundred forty-one thousand, two hundred one".