125868197 has 16 divisors (see below), whose sum is σ = 155971200. Its totient is φ = 98908992.

The previous prime is 125868157. The next prime is 125868199. The reversal of 125868197 is 791868521.

It is not a de Polignac number, because 125868197 - 2⁸ = 125867941 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125868199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8918 + ... + 18200.

It is an arithmetic number, because the mean of its divisors is an integer number (9748200).

Almost surely, 2^125868197 is an apocalyptic number.

It is an amenable number.

125868197 is a deficient number, since it is larger than the sum of its proper divisors (30103003).

125868197 is a wasteful number, since it uses less digits than its factorization.

125868197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9452.

The product of its digits is 241920, while the sum is 47.

The square root of 125868197 is about 11219.0996519329. The cubic root of 125868197 is about 501.1549262368.

The spelling of 125868197 in words is "one hundred twenty-five million, eight hundred sixty-eight thousand, one hundred ninety-seven".