106205897 has 4 divisors (see below), whose sum is σ = 121378176. Its totient is φ = 91033620.

The previous prime is 106205893. The next prime is 106205899. The reversal of 106205897 is 798502601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 798502601 = 13 ⋅61423277.

It is a cyclic number.

It is not a de Polignac number, because 106205897 - 2² = 106205893 is a prime.

It is a super-2 number, since 2×106205897² = 22559385115149218, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106205897.

It is not an unprimeable number, because it can be changed into a prime (106205893) 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, 7586129 + ... + 7586142.

It is an arithmetic number, because the mean of its divisors is an integer number (30344544).

Almost surely, 2^106205897 is an apocalyptic number.

It is an amenable number.

106205897 is a deficient number, since it is larger than the sum of its proper divisors (15172279).

106205897 is an equidigital number, since it uses as much as digits as its factorization.

106205897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15172278.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 106205897 is about 10305.6245322639. The cubic root of 106205897 is about 473.5685763925.

The spelling of 106205897 in words is "one hundred six million, two hundred five thousand, eight hundred ninety-seven".