106015681 has 2 divisors, whose sum is σ = 106015682. Its totient is φ = 106015680.

The previous prime is 106015673. The next prime is 106015697. The reversal of 106015681 is 186510601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105760656 + 255025 = 10284^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 106015681 - 2³ = 106015673 is a prime.

It is a super-2 number, since 2×106015681² = 22478649235787522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106015601) 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, 53007840 + 53007841.

It is an arithmetic number, because the mean of its divisors is an integer number (53007841).

Almost surely, 2^106015681 is an apocalyptic number.

It is an amenable number.

106015681 is a deficient number, since it is larger than the sum of its proper divisors (1).

106015681 is an equidigital number, since it uses as much as digits as its factorization.

106015681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 106015681 is about 10296.3916495052. The cubic root of 106015681 is about 473.2856851571.

The spelling of 106015681 in words is "one hundred six million, fifteen thousand, six hundred eighty-one".