173481413121 has 15 divisors (see below), whose sum is σ = 259156846641. Its totient is φ = 115651776348.

The previous prime is 173481413111. The next prime is 173481413179. The reversal of 173481413121 is 121314184371.

The square root of 173481413121 is 416511.

It is a perfect power (a square), and thus also a powerful number.

173481413121 is a `hidden beast` number, since 17 + 3 + 481 + 41 + 3 + 121 = 666.

It is not a de Polignac number, because 173481413121 - 2⁵ = 173481413089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (173481413111) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 3725460 + ... + 3771738.

Almost surely, 2^173481413121 is an apocalyptic number.

173481413121 is the 416511-st square number.

173481413121 is the 208256-th centered octagonal number.

It is an amenable number.

173481413121 is a deficient number, since it is larger than the sum of its proper divisors (85675433520).

173481413121 is an frugal number, since it uses more digits than its factorization.

173481413121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92570 (or 46282 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

Multiplying 173481413121 by its sum of digits (36), we get a square (6245330872356 = 2499066²).

Adding to 173481413121 its reverse (121314184371), we get a palindrome (294795597492).

The spelling of 173481413121 in words is "one hundred seventy-three billion, four hundred eighty-one million, four hundred thirteen thousand, one hundred twenty-one".