106770905 has 4 divisors (see below), whose sum is σ = 128125092. Its totient is φ = 85416720.

The previous prime is 106770901. The next prime is 106770919. The reversal of 106770905 is 509077601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 509077601 = 6011 ⋅84691.

It can be written as a sum of positive squares in 2 ways, for example, as 38477209 + 68293696 = 6203^2 + 8264^2 .

It is not a de Polignac number, because 106770905 - 2² = 106770901 is a prime.

It is a super-2 number, since 2×106770905² = 22800052309038050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106770901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10677086 + ... + 10677095.

It is an arithmetic number, because the mean of its divisors is an integer number (32031273).

Almost surely, 2^106770905 is an apocalyptic number.

It is an amenable number.

106770905 is a deficient number, since it is larger than the sum of its proper divisors (21354187).

106770905 is an equidigital number, since it uses as much as digits as its factorization.

106770905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21354186.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 106770905 is about 10333.0007742185. Note that the first 3 decimals coincide. The cubic root of 106770905 is about 474.4068755657.

The spelling of 106770905 in words is "one hundred six million, seven hundred seventy thousand, nine hundred five".