197117102 has 24 divisors (see below), whose sum is σ = 370409256. Its totient is φ = 77979888.

The previous prime is 197117101. The next prime is 197117113. The reversal of 197117102 is 201711791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197117101) 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, 76088 + ... + 78635.

It is an arithmetic number, because the mean of its divisors is an integer number (15433719).

Almost surely, 2^197117102 is an apocalyptic number.

197117102 is a deficient number, since it is larger than the sum of its proper divisors (173292154).

197117102 is a wasteful number, since it uses less digits than its factorization.

197117102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154752 (or 154745 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 29.

The square root of 197117102 is about 14039.8398139010. The cubic root of 197117102 is about 581.9800558424.

Adding to 197117102 its reverse (201711791), we get a palindrome (398828893).

The spelling of 197117102 in words is "one hundred ninety-seven million, one hundred seventeen thousand, one hundred two".