100602 has 32 divisors (see below), whose sum is σ = 236160. Its totient is φ = 32076.

The previous prime is 100591. The next prime is 100609. The reversal of 100602 is 206001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100609) by changing a digit.

100602 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4363 + ... + 4385.

It is an arithmetic number, because the mean of its divisors is an integer number (7380).

2¹⁰⁰⁶⁰² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118080).

100602 is an abundant number, since it is smaller than the sum of its proper divisors (135558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100602 is an frugal number, since it uses more digits than its factorization.

100602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 100602 is about 317.1781833607. The cubic root of 100602 is about 46.5088432713.

Adding to 100602 its reverse (206001), we get a palindrome (306603).

The spelling of 100602 in words is "one hundred thousand, six hundred two".