5121167123 has 2 divisors, whose sum is σ = 5121167124. Its totient is φ = 5121167122.

The previous prime is 5121167113. The next prime is 5121167153. The reversal of 5121167123 is 3217611215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5121167123 - 2¹² = 5121163027 is a prime.

It is not a weakly prime, because it can be changed into another prime (5121167113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560583561 + 2560583562.

It is an arithmetic number, because the mean of its divisors is an integer number (2560583562).

Almost surely, 2^5121167123 is an apocalyptic number.

5121167123 is a deficient number, since it is larger than the sum of its proper divisors (1).

5121167123 is an equidigital number, since it uses as much as digits as its factorization.

5121167123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 29.

The square root of 5121167123 is about 71562.3303351701. The cubic root of 5121167123 is about 1723.6787051109.

Adding to 5121167123 its reverse (3217611215), we get a palindrome (8338778338).

The spelling of 5121167123 in words is "five billion, one hundred twenty-one million, one hundred sixty-seven thousand, one hundred twenty-three".