102808030 has 16 divisors (see below), whose sum is σ = 199289664. Its totient is φ = 37959840.

The previous prime is 102808021. The next prime is 102808049. The reversal of 102808030 is 30808201.

It is a junction number, because it is equal to n+sod(n) for n = 102807992 and 102808010.

It is a congruent number.

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, 395286 + ... + 395545.

It is an arithmetic number, because the mean of its divisors is an integer number (12455604).

Almost surely, 2^102808030 is an apocalyptic number.

102808030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102808030 is a deficient number, since it is larger than the sum of its proper divisors (96481634).

102808030 is a wasteful number, since it uses less digits than its factorization.

102808030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790851.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 102808030 is about 10139.4294711290. The cubic root of 102808030 is about 468.4634140366.

The spelling of 102808030 in words is "one hundred two million, eight hundred eight thousand, thirty".