172284080121 has 24 divisors (see below), whose sum is σ = 257808807360. Its totient is φ = 110734898400.

The previous prime is 172284080099. The next prime is 172284080131. The reversal of 172284080121 is 121080482271.

It is a happy number.

172284080121 is a `hidden beast` number, since 1 + 7 + 228 + 408 + 0 + 1 + 21 = 666.

It is not a de Polignac number, because 172284080121 - 2⁹ = 172284079609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (172284080131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297285 + ... + 657986.

It is an arithmetic number, because the mean of its divisors is an integer number (10742033640).

Almost surely, 2^172284080121 is an apocalyptic number.

It is an amenable number.

172284080121 is a deficient number, since it is larger than the sum of its proper divisors (85524727239).

172284080121 is a wasteful number, since it uses less digits than its factorization.

172284080121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955997 (or 955994 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The spelling of 172284080121 in words is "one hundred seventy-two billion, two hundred eighty-four million, eighty thousand, one hundred twenty-one".