106865197 has 2 divisors, whose sum is σ = 106865198. Its totient is φ = 106865196.

The previous prime is 106865183. The next prime is 106865207. The reversal of 106865197 is 791568601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79762761 + 27102436 = 8931^2 + 5206^2 .

It is a cyclic number.

It is not a de Polignac number, because 106865197 - 2¹⁹ = 106340909 is a prime.

It is a super-2 number, since 2×106865197² = 22840340659697618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106865167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53432598 + 53432599.

It is an arithmetic number, because the mean of its divisors is an integer number (53432599).

Almost surely, 2^106865197 is an apocalyptic number.

It is an amenable number.

106865197 is a deficient number, since it is larger than the sum of its proper divisors (1).

106865197 is an equidigital number, since it uses as much as digits as its factorization.

106865197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 106865197 is about 10337.5624302831. The cubic root of 106865197 is about 474.5464879172.

The spelling of 106865197 in words is "one hundred six million, eight hundred sixty-five thousand, one hundred ninety-seven".