195717126 has 16 divisors (see below), whose sum is σ = 427019328. Its totient is φ = 59308200.

The previous prime is 195717121. The next prime is 195717139. The reversal of 195717126 is 621717591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195717121) 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, 1482640 + ... + 1482771.

It is an arithmetic number, because the mean of its divisors is an integer number (26688708).

Almost surely, 2^195717126 is an apocalyptic number.

195717126 is an abundant number, since it is smaller than the sum of its proper divisors (231302202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195717126 is a wasteful number, since it uses less digits than its factorization.

195717126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965427.

The product of its digits is 26460, while the sum is 39.

The square root of 195717126 is about 13989.8937093889. The cubic root of 195717126 is about 580.5989907754.

The spelling of 195717126 in words is "one hundred ninety-five million, seven hundred seventeen thousand, one hundred twenty-six".