105211604 has 6 divisors (see below), whose sum is σ = 184120314. Its totient is φ = 52605800.

The previous prime is 105211597. The next prime is 105211619. The reversal of 105211604 is 406112501.

It can be written as a sum of positive squares in only one way, i.e., 101203600 + 4008004 = 10060^2 + 2002^2 .

It is a super-2 number, since 2×105211604² = 22138963232505632, which contains 22 as substring.

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, 13151447 + ... + 13151454.

It is an arithmetic number, because the mean of its divisors is an integer number (30686719).

Almost surely, 2^105211604 is an apocalyptic number.

It is an amenable number.

105211604 is a deficient number, since it is larger than the sum of its proper divisors (78908710).

105211604 is a wasteful number, since it uses less digits than its factorization.

105211604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26302905 (or 26302903 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 105211604 is about 10257.2707871051. The cubic root of 105211604 is about 472.0861005909.

The spelling of 105211604 in words is "one hundred five million, two hundred eleven thousand, six hundred four".