172097126 has 8 divisors (see below), whose sum is σ = 258212640. Its totient is φ = 86026248.

The previous prime is 172097087. The next prime is 172097129. The reversal of 172097126 is 621790271.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172097129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1235 + ... + 18593.

It is an arithmetic number, because the mean of its divisors is an integer number (32276580).

Almost surely, 2^172097126 is an apocalyptic number.

172097126 is a deficient number, since it is larger than the sum of its proper divisors (86115514).

172097126 is a wasteful number, since it uses less digits than its factorization.

172097126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22318.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 172097126 is about 13118.5794200439. The cubic root of 172097126 is about 556.2344365296.

The spelling of 172097126 in words is "one hundred seventy-two million, ninety-seven thousand, one hundred twenty-six".