641102 has 32 divisors (see below), whose sum is σ = 1257984. Its totient is φ = 237600.

The previous prime is 641101. The next prime is 641129. The reversal of 641102 is 201146.

It is a super-2 number, since 2×641102² = 822023548808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 3452 + ... + 3632.

It is an arithmetic number, because the mean of its divisors is an integer number (39312).

2⁶⁴¹¹⁰² is an apocalyptic number.

641102 is a deficient number, since it is larger than the sum of its proper divisors (616882).

641102 is a wasteful number, since it uses less digits than its factorization.

641102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224.

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

The square root of 641102 is about 800.6884537696. The cubic root of 641102 is about 86.2268214689.

Adding to 641102 its reverse (201146), we get a palindrome (842248).

The spelling of 641102 in words is "six hundred forty-one thousand, one hundred two".