173416121 has 4 divisors (see below), whose sum is σ = 173462772. Its totient is φ = 173369472.

The previous prime is 173416109. The next prime is 173416123. The reversal of 173416121 is 121614371.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89510521 + 83905600 = 9461^2 + 9160^2 .

It is a cyclic number.

It is not a de Polignac number, because 173416121 - 2²² = 169221817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173416123) 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, 17216 + ... + 25361.

It is an arithmetic number, because the mean of its divisors is an integer number (43365693).

Almost surely, 2^173416121 is an apocalyptic number.

It is an amenable number.

173416121 is a deficient number, since it is larger than the sum of its proper divisors (46651).

173416121 is an equidigital number, since it uses as much as digits as its factorization.

173416121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46650.

The product of its digits is 1008, while the sum is 26.

The square root of 173416121 is about 13168.7554840995. The cubic root of 173416121 is about 557.6518610074.

The spelling of 173416121 in words is "one hundred seventy-three million, four hundred sixteen thousand, one hundred twenty-one".