5125081123 has 2 divisors, whose sum is σ = 5125081124. Its totient is φ = 5125081122.

The previous prime is 5125081121. The next prime is 5125081133. The reversal of 5125081123 is 3211805215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5125081123 - 2¹ = 5125081121 is a prime.

It is a super-2 number, since 2×5125081123² = 52532913034661882258, which contains 22 as substring.

Together with 5125081121, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 5125081091 and 5125081100.

It is not a weakly prime, because it can be changed into another prime (5125081121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2562540561 + 2562540562.

It is an arithmetic number, because the mean of its divisors is an integer number (2562540562).

Almost surely, 2^5125081123 is an apocalyptic number.

5125081123 is a deficient number, since it is larger than the sum of its proper divisors (1).

5125081123 is an equidigital number, since it uses as much as digits as its factorization.

5125081123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 5125081123 is about 71589.6719017485. The cubic root of 5125081123 is about 1724.1177170451.

Adding to 5125081123 its reverse (3211805215), we get a palindrome (8336886338).

The spelling of 5125081123 in words is "five billion, one hundred twenty-five million, eighty-one thousand, one hundred twenty-three".