100440102 has 48 divisors (see below), whose sum is σ = 237211200. Its totient is φ = 28263312.

The previous prime is 100440091. The next prime is 100440113. The reversal of 100440102 is 201044001.

It is an interprime number because it is at equal distance from previous prime (100440091) and next prime (100440113).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17149 + ... + 22247.

It is an arithmetic number, because the mean of its divisors is an integer number (4941900).

Almost surely, 2^100440102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100440102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118605600).

100440102 is an abundant number, since it is smaller than the sum of its proper divisors (136771098).

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

100440102 is a wasteful number, since it uses less digits than its factorization.

100440102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5185 (or 5178 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 100440102 is about 10021.9809419096. The cubic root of 100440102 is about 464.8388110525.

Adding to 100440102 its reverse (201044001), we get a palindrome (301484103).

The spelling of 100440102 in words is "one hundred million, four hundred forty thousand, one hundred two".