172874130105 has 8 divisors (see below), whose sum is σ = 276598608192. Its totient is φ = 92199536048.

The previous prime is 172874130097. The next prime is 172874130181. The reversal of 172874130105 is 501031478271.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 172874130105 - 2³ = 172874130097 is a prime.

It is a super-2 number, since 2×172874130105² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5762470989 + ... + 5762471018.

It is an arithmetic number, because the mean of its divisors is an integer number (34574826024).

Almost surely, 2^172874130105 is an apocalyptic number.

172874130105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

172874130105 is a deficient number, since it is larger than the sum of its proper divisors (103724478087).

172874130105 is a wasteful number, since it uses less digits than its factorization.

172874130105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11524942015.

The product of its (nonzero) digits is 47040, while the sum is 39.

The spelling of 172874130105 in words is "one hundred seventy-two billion, eight hundred seventy-four million, one hundred thirty thousand, one hundred five".