197869101 has 16 divisors (see below), whose sum is σ = 270414144. Its totient is φ = 128628864.

The previous prime is 197869099. The next prime is 197869159. The reversal of 197869101 is 101968791.

It is not a de Polignac number, because 197869101 - 2¹ = 197869099 is a prime.

It is a super-2 number, since 2×197869101² = 78304362261096402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197869501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120055 + ... + 121691.

It is an arithmetic number, because the mean of its divisors is an integer number (16900884).

Almost surely, 2^197869101 is an apocalyptic number.

It is an amenable number.

197869101 is a deficient number, since it is larger than the sum of its proper divisors (72545043).

197869101 is a wasteful number, since it uses less digits than its factorization.

197869101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620.

The product of its (nonzero) digits is 27216, while the sum is 42.

The square root of 197869101 is about 14066.5952170381. The cubic root of 197869101 is about 582.7191986350.

The spelling of 197869101 in words is "one hundred ninety-seven million, eight hundred sixty-nine thousand, one hundred one".