105211004 has 12 divisors (see below), whose sum is σ = 188037024. Its totient is φ = 51486144.

The previous prime is 105210967. The next prime is 105211019. The reversal of 105211004 is 400112501.

It is a super-2 number, since 2×105211004² = 22138710725376032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105211004.

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, 279629 + ... + 280004.

It is an arithmetic number, because the mean of its divisors is an integer number (15669752).

Almost surely, 2^105211004 is an apocalyptic number.

It is an amenable number.

105211004 is a deficient number, since it is larger than the sum of its proper divisors (82826020).

105211004 is a wasteful number, since it uses less digits than its factorization.

105211004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559684 (or 559682 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 105211004 is about 10257.2415395173. The cubic root of 105211004 is about 472.0852031861.

Adding to 105211004 its reverse (400112501), we get a palindrome (505323505).

The spelling of 105211004 in words is "one hundred five million, two hundred eleven thousand, four".