102103500 has 96 divisors (see below), whose sum is σ = 304432128. Its totient is φ = 26577600.

The previous prime is 102103499. The next prime is 102103501. The reversal of 102103500 is 5301201.

It is an interprime number because it is at equal distance from previous prime (102103499) and next prime (102103501).

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

It is not an unprimeable number, because it can be changed into a prime (102103501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63709 + ... + 65291.

It is an arithmetic number, because the mean of its divisors is an integer number (3171168).

Almost surely, 2^102103500 is an apocalyptic number.

102103500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102103500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152216064).

102103500 is an abundant number, since it is smaller than the sum of its proper divisors (202328628).

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

102103500 is a wasteful number, since it uses less digits than its factorization.

102103500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648 (or 1636 counting only the distinct ones).

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

The square root of 102103500 is about 10104.6276527144. The cubic root of 102103500 is about 467.3908540609.

Adding to 102103500 its reverse (5301201), we get a palindrome (107404701).

The spelling of 102103500 in words is "one hundred two million, one hundred three thousand, five hundred".