102830925 has 12 divisors (see below), whose sum is σ = 170013920. Its totient is φ = 54843120.

The previous prime is 102830887. The next prime is 102830951. The reversal of 102830925 is 529038201.

It is a happy number.

It is not a de Polignac number, because 102830925 - 2²² = 98636621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102830892 and 102830901.

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 11 ways as a sum of consecutive naturals, for example, 685465 + ... + 685614.

Almost surely, 2^102830925 is an apocalyptic number.

102830925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102830925 is a deficient number, since it is larger than the sum of its proper divisors (67182995).

102830925 is a wasteful number, since it uses less digits than its factorization.

102830925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371092 (or 1371087 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 102830925 is about 10140.5584165765. The cubic root of 102830925 is about 468.4981865273.

The spelling of 102830925 in words is "one hundred two million, eight hundred thirty thousand, nine hundred twenty-five".