471717121 has 6 divisors (see below), whose sum is σ = 473804870. Its totient is φ = 469638528.

The previous prime is 471717109. The next prime is 471717131. The reversal of 471717121 is 121717174.

It can be written as a sum of positive squares in 3 ways, for example, as 42771600 + 428945521 = 6540^2 + 20711^2 .

It is not a de Polignac number, because 471717121 - 2¹⁹ = 471192833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (471717131) 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 5 ways as a sum of consecutive naturals, for example, 49945 + ... + 58633.

Almost surely, 2^471717121 is an apocalyptic number.

It is an amenable number.

471717121 is a deficient number, since it is larger than the sum of its proper divisors (2087749).

471717121 is an frugal number, since it uses more digits than its factorization.

471717121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9155 (or 8922 counting only the distinct ones).

The product of its digits is 2744, while the sum is 31.

The square root of 471717121 is about 21719.0497259894. The cubic root of 471717121 is about 778.4437087388.

The spelling of 471717121 in words is "four hundred seventy-one million, seven hundred seventeen thousand, one hundred twenty-one".