641107 has 4 divisors (see below), whose sum is σ = 642816. Its totient is φ = 639400.

The previous prime is 641101. The next prime is 641129. The reversal of 641107 is 701146.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 641107 - 2¹⁵ = 608339 is a prime.

It is a super-2 number, since 2×641107² = 822036370898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19 + ... + 1132.

It is an arithmetic number, because the mean of its divisors is an integer number (160704).

2⁶⁴¹¹⁰⁷ is an apocalyptic number.

641107 is a deficient number, since it is larger than the sum of its proper divisors (1709).

641107 is a wasteful number, since it uses less digits than its factorization.

641107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 641107 is about 800.6915760766. The cubic root of 641107 is about 86.2270456314.

It can be divided in two parts, 6 and 41107, that multiplied together give a palindrome (246642).

The spelling of 641107 in words is "six hundred forty-one thousand, one hundred seven".