1704117121 has 4 divisors (see below), whose sum is σ = 1947562432. Its totient is φ = 1460671812.

The previous prime is 1704117017. The next prime is 1704117139. The reversal of 1704117121 is 1217114071.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1704117121 - 2²⁷ = 1569899393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1704117521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121722645 + ... + 121722658.

It is an arithmetic number, because the mean of its divisors is an integer number (486890608).

Almost surely, 2^1704117121 is an apocalyptic number.

It is an amenable number.

1704117121 is a deficient number, since it is larger than the sum of its proper divisors (243445311).

1704117121 is an equidigital number, since it uses as much as digits as its factorization.

1704117121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243445310.

The product of its (nonzero) digits is 392, while the sum is 25.

The square root of 1704117121 is about 41280.9534894726. The cubic root of 1704117121 is about 1194.4458886537.

The spelling of 1704117121 in words is "one billion, seven hundred four million, one hundred seventeen thousand, one hundred twenty-one".