641207 has 8 divisors (see below), whose sum is σ = 739200. Its totient is φ = 544824.

The previous prime is 641203. The next prime is 641213. The reversal of 641207 is 702146.

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

It is not a de Polignac number, because 641207 - 2² = 641203 is a prime.

It is a super-2 number, since 2×641207² = 822292833698, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 641207.

It is not an unprimeable number, because it can be changed into a prime (641203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644 + ... + 1302.

It is an arithmetic number, because the mean of its divisors is an integer number (92400).

2⁶⁴¹²⁰⁷ is an apocalyptic number.

641207 is a deficient number, since it is larger than the sum of its proper divisors (97993).

641207 is a wasteful number, since it uses less digits than its factorization.

641207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 641207 is about 800.7540196590. The cubic root of 641207 is about 86.2315286356.

It can be divided in two parts, 641 and 207, that added together give a palindrome (848).

The spelling of 641207 in words is "six hundred forty-one thousand, two hundred seven".