195297126 has 16 divisors (see below), whose sum is σ = 398905344. Its totient is φ = 63713864.

The previous prime is 195297121. The next prime is 195297133. The reversal of 195297126 is 621792591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195297121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345990 + ... + 346553.

It is an arithmetic number, because the mean of its divisors is an integer number (24931584).

Almost surely, 2^195297126 is an apocalyptic number.

195297126 is an abundant number, since it is smaller than the sum of its proper divisors (203608218).

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

195297126 is a wasteful number, since it uses less digits than its factorization.

195297126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692595.

The product of its digits is 68040, while the sum is 42.

The square root of 195297126 is about 13974.8748116039. The cubic root of 195297126 is about 580.1833803810.

The spelling of 195297126 in words is "one hundred ninety-five million, two hundred ninety-seven thousand, one hundred twenty-six".