105000388 has 6 divisors (see below), whose sum is σ = 183750686. Its totient is φ = 52500192.

The previous prime is 105000361. The next prime is 105000407. The reversal of 105000388 is 883000501.

105000388 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 57638464 + 47361924 = 7592^2 + 6882^2 .

It is a super-2 number, since 2×105000388² = 22050162960301088, which contains 22 as substring.

105000388 is strictly pandigital in base 9.

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 as a sum of consecutive naturals, namely, 13125045 + ... + 13125052.

Almost surely, 2^105000388 is an apocalyptic number.

It is an amenable number.

105000388 is a deficient number, since it is larger than the sum of its proper divisors (78750298).

105000388 is a wasteful number, since it uses less digits than its factorization.

105000388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26250101 (or 26250099 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 105000388 is about 10246.9696984035. The cubic root of 105000388 is about 471.7699791310.

Adding to 105000388 its reverse (883000501), we get a palindrome (988000889).

The spelling of 105000388 in words is "one hundred five million, three hundred eighty-eight", and thus it is an aban number.