102530730 has 32 divisors (see below), whose sum is σ = 249044544. Its totient is φ = 27011456.

The previous prime is 102530713. The next prime is 102530767. The reversal of 102530730 is 37035201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102530697 and 102530706.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18099 + ... + 23078.

It is an arithmetic number, because the mean of its divisors is an integer number (7782642).

Almost surely, 2^102530730 is an apocalyptic number.

102530730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102530730 is an abundant number, since it is smaller than the sum of its proper divisors (146513814).

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

102530730 is a wasteful number, since it uses less digits than its factorization.

102530730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41270.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 102530730 is about 10125.7458984511. The cubic root of 102530730 is about 468.0418455534.

Adding to 102530730 its reverse (37035201), we get a palindrome (139565931).

The spelling of 102530730 in words is "one hundred two million, five hundred thirty thousand, seven hundred thirty".