5106072121 has 2 divisors, whose sum is σ = 5106072122. Its totient is φ = 5106072120.

The previous prime is 5106072067. The next prime is 5106072157. The reversal of 5106072121 is 1212706015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2669168896 + 2436903225 = 51664^2 + 49365^2 .

It is a cyclic number.

It is not a de Polignac number, because 5106072121 - 2²¹ = 5103974969 is a prime.

It is not a weakly prime, because it can be changed into another prime (5106072721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2553036060 + 2553036061.

It is an arithmetic number, because the mean of its divisors is an integer number (2553036061).

Almost surely, 2^5106072121 is an apocalyptic number.

It is an amenable number.

5106072121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5106072121 is an equidigital number, since it uses as much as digits as its factorization.

5106072121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 5106072121 is about 71456.7849892507. The cubic root of 5106072121 is about 1721.9834834922.

Adding to 5106072121 its reverse (1212706015), we get a palindrome (6318778136).

The spelling of 5106072121 in words is "five billion, one hundred six million, seventy-two thousand, one hundred twenty-one".