105028004 has 6 divisors (see below), whose sum is σ = 183799014. Its totient is φ = 52514000.

The previous prime is 105028003. The next prime is 105028037. The reversal of 105028004 is 400820501.

It can be written as a sum of positive squares in only one way, i.e., 96040000 + 8988004 = 9800^2 + 2998^2 .

It is a super-2 number, since 2×105028004² = 22061763248448032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105028003) by changing a digit.

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 as a sum of consecutive naturals, namely, 13128497 + ... + 13128504.

It is an arithmetic number, because the mean of its divisors is an integer number (30633169).

Almost surely, 2^105028004 is an apocalyptic number.

It is an amenable number.

105028004 is a deficient number, since it is larger than the sum of its proper divisors (78771010).

105028004 is a wasteful number, since it uses less digits than its factorization.

105028004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26257005 (or 26257003 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 105028004 is about 10248.3171301439. The cubic root of 105028004 is about 471.8113353519.

Adding to 105028004 its reverse (400820501), we get a palindrome (505848505).

The spelling of 105028004 in words is "one hundred five million, twenty-eight thousand, four".