102387930 has 16 divisors (see below), whose sum is σ = 245731104. Its totient is φ = 27303440.

The previous prime is 102387911. The next prime is 102387931. The reversal of 102387930 is 39783201.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102387891 and 102387900.

It is not an unprimeable number, because it can be changed into a prime (102387931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1706436 + ... + 1706495.

It is an arithmetic number, because the mean of its divisors is an integer number (15358194).

Almost surely, 2^102387930 is an apocalyptic number.

102387930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102387930 is an abundant number, since it is smaller than the sum of its proper divisors (143343174).

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

102387930 is a wasteful number, since it uses less digits than its factorization.

102387930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3412941.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 102387930 is about 10118.6921091611. The cubic root of 102387930 is about 467.8244556761.

The spelling of 102387930 in words is "one hundred two million, three hundred eighty-seven thousand, nine hundred thirty".