106194905 has 4 divisors (see below), whose sum is σ = 127433892. Its totient is φ = 84955920.

The previous prime is 106194899. The next prime is 106194917. The reversal of 106194905 is 509491601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72369049 + 33825856 = 8507^2 + 5816^2 .

It is not a de Polignac number, because 106194905 - 2¹⁰ = 106193881 is a prime.

It is a super-2 number, since 2×106194905² = 22554715695918050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10619486 + ... + 10619495.

It is an arithmetic number, because the mean of its divisors is an integer number (31858473).

Almost surely, 2^106194905 is an apocalyptic number.

It is an amenable number.

106194905 is a deficient number, since it is larger than the sum of its proper divisors (21238987).

106194905 is an equidigital number, since it uses as much as digits as its factorization.

106194905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21238986.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 106194905 is about 10305.0912174517. The cubic root of 106194905 is about 473.5522381742.

The spelling of 106194905 in words is "one hundred six million, one hundred ninety-four thousand, nine hundred five".