5170648121 has 2 divisors, whose sum is σ = 5170648122. Its totient is φ = 5170648120.

The previous prime is 5170648111. The next prime is 5170648127. The reversal of 5170648121 is 1218460715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4217073721 + 953574400 = 64939^2 + 30880^2 .

It is a cyclic number.

It is not a de Polignac number, because 5170648121 - 2¹⁴ = 5170631737 is a prime.

It is not a weakly prime, because it can be changed into another prime (5170648127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2585324060 + 2585324061.

It is an arithmetic number, because the mean of its divisors is an integer number (2585324061).

Almost surely, 2^5170648121 is an apocalyptic number.

It is an amenable number.

5170648121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5170648121 is an equidigital number, since it uses as much as digits as its factorization.

5170648121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 5170648121 is about 71907.2188378886. The cubic root of 5170648121 is about 1729.2123471804.

The spelling of 5170648121 in words is "five billion, one hundred seventy million, six hundred forty-eight thousand, one hundred twenty-one".