102905030 has 16 divisors (see below), whose sum is σ = 185676624. Its totient is φ = 41062560.

The previous prime is 102905017. The next prime is 102905041. The reversal of 102905030 is 30509201.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102904993 and 102905011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8012 + ... + 16431.

It is an arithmetic number, because the mean of its divisors is an integer number (11604789).

Almost surely, 2^102905030 is an apocalyptic number.

102905030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102905030 is a deficient number, since it is larger than the sum of its proper divisors (82771594).

102905030 is a wasteful number, since it uses less digits than its factorization.

102905030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24871.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 102905030 is about 10144.2116500002. The cubic root of 102905030 is about 468.6107004155.

The spelling of 102905030 in words is "one hundred two million, nine hundred five thousand, thirty".