471712121 has 2 divisors, whose sum is σ = 471712122. Its totient is φ = 471712120.

The previous prime is 471712079. The next prime is 471712133. The reversal of 471712121 is 121217174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 441462121 + 30250000 = 21011^2 + 5500^2 .

It is a cyclic number.

It is not a de Polignac number, because 471712121 - 2¹⁸ = 471449977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (471712321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235856060 + 235856061.

It is an arithmetic number, because the mean of its divisors is an integer number (235856061).

Almost surely, 2^471712121 is an apocalyptic number.

It is an amenable number.

471712121 is a deficient number, since it is larger than the sum of its proper divisors (1).

471712121 is an equidigital number, since it uses as much as digits as its factorization.

471712121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 784, while the sum is 26.

The square root of 471712121 is about 21718.9346193592. The cubic root of 471712121 is about 778.4409583388.

Adding to 471712121 its reverse (121217174), we get a palindrome (592929295).

The spelling of 471712121 in words is "four hundred seventy-one million, seven hundred twelve thousand, one hundred twenty-one".