102130344 has 96 divisors (see below), whose sum is σ = 293365800. Its totient is φ = 32040960.

The previous prime is 102130333. The next prime is 102130361. The reversal of 102130344 is 443031201.

It can be written as a sum of positive squares in 4 ways, for example, as 64160100 + 37970244 = 8010^2 + 6162^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85012 + ... + 86204.

Almost surely, 2^102130344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102130344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146682900).

102130344 is an abundant number, since it is smaller than the sum of its proper divisors (191235456).

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

102130344 is a wasteful number, since it uses less digits than its factorization.

102130344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275 (or 1268 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 102130344 is about 10105.9558677049. The cubic root of 102130344 is about 467.4318110007.

Adding to 102130344 its reverse (443031201), we get a palindrome (545161545).

The spelling of 102130344 in words is "one hundred two million, one hundred thirty thousand, three hundred forty-four".