106387081 has 2 divisors, whose sum is σ = 106387082. Its totient is φ = 106387080.

The previous prime is 106387063. The next prime is 106387093. The reversal of 106387081 is 180783601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103713856 + 2673225 = 10184^2 + 1635^2 .

It is a cyclic number.

It is not a de Polignac number, because 106387081 - 2⁵ = 106387049 is a prime.

It is a super-2 number, since 2×106387081² = 22636422007401122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106387481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53193540 + 53193541.

It is an arithmetic number, because the mean of its divisors is an integer number (53193541).

Almost surely, 2^106387081 is an apocalyptic number.

It is an amenable number.

106387081 is a deficient number, since it is larger than the sum of its proper divisors (1).

106387081 is an equidigital number, since it uses as much as digits as its factorization.

106387081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 106387081 is about 10314.4113259071. The cubic root of 106387081 is about 473.8377212174.

The spelling of 106387081 in words is "one hundred six million, three hundred eighty-seven thousand, eighty-one".