102030900 has 36 divisors (see below), whose sum is σ = 295210272. Its totient is φ = 27208160.

The previous prime is 102030899. The next prime is 102030913. The reversal of 102030900 is 9030201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 102030900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169752 + ... + 170351.

Almost surely, 2^102030900 is an apocalyptic number.

102030900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102030900 is an abundant number, since it is smaller than the sum of its proper divisors (193179372).

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

102030900 is a wasteful number, since it uses less digits than its factorization.

102030900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340120 (or 340113 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 102030900 is about 10101.0346004753. The cubic root of 102030900 is about 467.2800494307.

The spelling of 102030900 in words is "one hundred two million, thirty thousand, nine hundred".