102500830 has 8 divisors (see below), whose sum is σ = 184501512. Its totient is φ = 41000328.

The previous prime is 102500807. The next prime is 102500869. The reversal of 102500830 is 38005201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 102500798 and 102500807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5125032 + ... + 5125051.

It is an arithmetic number, because the mean of its divisors is an integer number (23062689).

Almost surely, 2^102500830 is an apocalyptic number.

102500830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102500830 is a deficient number, since it is larger than the sum of its proper divisors (82000682).

102500830 is a wasteful number, since it uses less digits than its factorization.

102500830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250090.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 102500830 is about 10124.2693563536. The cubic root of 102500830 is about 467.9963443599.

The spelling of 102500830 in words is "one hundred two million, five hundred thousand, eight hundred thirty".