105289197 has 12 divisors (see below), whose sum is σ = 152015904. Its totient is φ = 64793040.

The previous prime is 105289187. The next prime is 105289201. The reversal of 105289197 is 791982501.

It is not a de Polignac number, because 105289197 - 2⁴ = 105289181 is a prime.

It is a super-2 number, since 2×105289197² = 22171630009809618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105289117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103329 + ... + 104342.

It is an arithmetic number, because the mean of its divisors is an integer number (12667992).

Almost surely, 2^105289197 is an apocalyptic number.

It is an amenable number.

105289197 is a deficient number, since it is larger than the sum of its proper divisors (46726707).

105289197 is a wasteful number, since it uses less digits than its factorization.

105289197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207700 (or 207687 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 105289197 is about 10261.0524314029. The cubic root of 105289197 is about 472.2021257381.

The spelling of 105289197 in words is "one hundred five million, two hundred eighty-nine thousand, one hundred ninety-seven".