102028829 has 12 divisors (see below), whose sum is σ = 120121344. Its totient is φ = 86396184.

The previous prime is 102028811. The next prime is 102028831. The reversal of 102028829 is 928820201.

It is a de Polignac number, because none of the positive numbers 2^k-102028829 is a prime.

It is a super-2 number, since 2×102028829² = 20819763894222482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102028795 and 102028804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102058829) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 8477 + ... + 16610.

It is an arithmetic number, because the mean of its divisors is an integer number (10010112).

Almost surely, 2^102028829 is an apocalyptic number.

It is an amenable number.

102028829 is a deficient number, since it is larger than the sum of its proper divisors (18092515).

102028829 is an equidigital number, since it uses as much as digits as its factorization.

102028829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25184 (or 25177 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 102028829 is about 10100.9320857038. The cubic root of 102028829 is about 467.2768878279.

The spelling of 102028829 in words is "one hundred two million, twenty-eight thousand, eight hundred twenty-nine".