102103830 has 24 divisors (see below), whose sum is σ = 265470192. Its totient is φ = 27227664.

The previous prime is 102103769. The next prime is 102103843. The reversal of 102103830 is 38301201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 567154 + ... + 567333.

It is an arithmetic number, because the mean of its divisors is an integer number (11061258).

Almost surely, 2^102103830 is an apocalyptic number.

102103830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102103830 is an abundant number, since it is smaller than the sum of its proper divisors (163366362).

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

102103830 is a wasteful number, since it uses less digits than its factorization.

102103830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134500 (or 1134497 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 102103830 is about 10104.6439818531. The cubic root of 102103830 is about 467.3913575984.

The spelling of 102103830 in words is "one hundred two million, one hundred three thousand, eight hundred thirty".