102130500 has 48 divisors (see below), whose sum is σ = 297408384. Its totient is φ = 27234400.

The previous prime is 102130499. The next prime is 102130571. The reversal of 102130500 is 5031201.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 15 ways as a sum of consecutive naturals, for example, 32544 + ... + 35543.

It is an arithmetic number, because the mean of its divisors is an integer number (6196008).

Almost surely, 2^102130500 is an apocalyptic number.

102130500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102130500 is an abundant number, since it is smaller than the sum of its proper divisors (195277884).

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

102130500 is a wasteful number, since it uses less digits than its factorization.

102130500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68109 (or 68097 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 102130500 is about 10105.9635859229. The cubic root of 102130500 is about 467.4320489950.

Adding to 102130500 its reverse (5031201), we get a palindrome (107161701).

The spelling of 102130500 in words is "one hundred two million, one hundred thirty thousand, five hundred".