105208028 has 6 divisors (see below), whose sum is σ = 184114056. Its totient is φ = 52604012.

The previous prime is 105208001. The next prime is 105208031. The reversal of 105208028 is 820802501.

It is a super-2 number, since 2×105208028² = 22137458311297568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105207988 and 105208006.

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 as a sum of consecutive naturals, namely, 13151000 + ... + 13151007.

It is an arithmetic number, because the mean of its divisors is an integer number (30685676).

Almost surely, 2^105208028 is an apocalyptic number.

It is an amenable number.

105208028 is a deficient number, since it is larger than the sum of its proper divisors (78906028).

105208028 is a wasteful number, since it uses less digits than its factorization.

105208028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26302011 (or 26302009 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 105208028 is about 10257.0964702493. The cubic root of 105208028 is about 472.0807520078.

The spelling of 105208028 in words is "one hundred five million, two hundred eight thousand, twenty-eight".