102030 has 32 divisors (see below), whose sum is σ = 259200. Its totient is φ = 25632.

The previous prime is 102023. The next prime is 102031. The reversal of 102030 is 30201.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102031) by changing a digit.

102030 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481 + ... + 659.

It is an arithmetic number, because the mean of its divisors is an integer number (8100).

2¹⁰²⁰³⁰ is an apocalyptic number.

102030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129600).

102030 is an abundant number, since it is smaller than the sum of its proper divisors (157170).

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

102030 is a wasteful number, since it uses less digits than its factorization.

102030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208.

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 102030 is about 319.4213518223. The cubic root of 102030 is about 46.7278675490.

Adding to 102030 its reverse (30201), we get a palindrome (132231).

The spelling of 102030 in words is "one hundred two thousand, thirty".