102066530 has 16 divisors (see below), whose sum is σ = 184185144. Its totient is φ = 40723200.

The previous prime is 102066529. The next prime is 102066541. The reversal of 102066530 is 35660201.

It can be written as a sum of positive squares in 4 ways, for example, as 100420441 + 1646089 = 10021^2 + 1283^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102066496 and 102066505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8717 + ... + 16736.

Almost surely, 2^102066530 is an apocalyptic number.

102066530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102066530 is a deficient number, since it is larger than the sum of its proper divisors (82118614).

102066530 is a wasteful number, since it uses less digits than its factorization.

102066530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25861.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 102066530 is about 10102.7981272517. The cubic root of 102066530 is about 467.3344357343.

The spelling of 102066530 in words is "one hundred two million, sixty-six thousand, five hundred thirty".