106505771 has 2 divisors, whose sum is σ = 106505772. Its totient is φ = 106505770.

The previous prime is 106505761. The next prime is 106505783. The reversal of 106505771 is 177505601.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106505771 is a prime.

It is a super-2 number, since 2×106505771² = 22686958512608882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106505761) by changing a digit.

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, 53252885 + 53252886.

It is an arithmetic number, because the mean of its divisors is an integer number (53252886).

Almost surely, 2^106505771 is an apocalyptic number.

106505771 is a deficient number, since it is larger than the sum of its proper divisors (1).

106505771 is an equidigital number, since it uses as much as digits as its factorization.

106505771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 106505771 is about 10320.1633223511. The cubic root of 106505771 is about 474.0138669707.

The spelling of 106505771 in words is "one hundred six million, five hundred five thousand, seven hundred seventy-one".