636102 has 12 divisors (see below), whose sum is σ = 1378260. Its totient is φ = 212028.

The previous prime is 636073. The next prime is 636107. The reversal of 636102 is 201636.

It is a happy number.

636102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 35339 = 636102 / (6 + 3 + 6 + 1 + 0 + 2).

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 636102.

It is not an unprimeable number, because it can be changed into a prime (636107) by changing a digit.

636102 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 5 ways as a sum of consecutive naturals, for example, 17652 + ... + 17687.

It is an arithmetic number, because the mean of its divisors is an integer number (114855).

2⁶³⁶¹⁰² is an apocalyptic number.

636102 is an abundant number, since it is smaller than the sum of its proper divisors (742158).

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

636102 is a wasteful number, since it uses less digits than its factorization.

636102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35347 (or 35344 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 636102 is about 797.5600290887. The cubic root of 636102 is about 86.0020731427.

Adding to 636102 its reverse (201636), we get a palindrome (837738).

It can be divided in two parts, 6 and 36102, that multiplied together give a palindrome (216612).

The spelling of 636102 in words is "six hundred thirty-six thousand, one hundred two".