102130200 has 96 divisors (see below), whose sum is σ = 351800400. Its totient is φ = 27233280.

The previous prime is 102130153. The next prime is 102130207. The reversal of 102130200 is 2031201.

It is a happy number.

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 (102130207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4057 + ... + 14856.

Almost surely, 2^102130200 is an apocalyptic number.

102130200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102130200 is an abundant number, since it is smaller than the sum of its proper divisors (249670200).

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

102130200 is a wasteful number, since it uses less digits than its factorization.

102130200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18938 (or 18923 counting only the distinct ones).

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

The square root of 102130200 is about 10105.9487431908. The cubic root of 102130200 is about 467.4315913134.

Adding to 102130200 its reverse (2031201), we get a palindrome (104161401).

The spelling of 102130200 in words is "one hundred two million, one hundred thirty thousand, two hundred".