125818207197 has 8 divisors (see below), whose sum is σ = 167764770720. Its totient is φ = 83875224240.

The previous prime is 125818207147. The next prime is 125818207237. The reversal of 125818207197 is 791702818521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125818207197 - 2¹⁸ = 125817945053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125818207127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812047 + ... + 954492.

It is an arithmetic number, because the mean of its divisors is an integer number (20970596340).

Almost surely, 2^125818207197 is an apocalyptic number.

It is an amenable number.

125818207197 is a deficient number, since it is larger than the sum of its proper divisors (41946563523).

125818207197 is a wasteful number, since it uses less digits than its factorization.

125818207197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790283.

The product of its (nonzero) digits is 564480, while the sum is 51.

The spelling of 125818207197 in words is "one hundred twenty-five billion, eight hundred eighteen million, two hundred seven thousand, one hundred ninety-seven".