711125123 has 2 divisors, whose sum is σ = 711125124. Its totient is φ = 711125122.

The previous prime is 711125119. The next prime is 711125161. The reversal of 711125123 is 321521117.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 711125123 - 2² = 711125119 is a prime.

It is not a weakly prime, because it can be changed into another prime (711125423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355562561 + 355562562.

It is an arithmetic number, because the mean of its divisors is an integer number (355562562).

Almost surely, 2^711125123 is an apocalyptic number.

711125123 is a deficient number, since it is larger than the sum of its proper divisors (1).

711125123 is an equidigital number, since it uses as much as digits as its factorization.

711125123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420, while the sum is 23.

The square root of 711125123 is about 26666.9293882892. The cubic root of 711125123 is about 892.5831292503.

The spelling of 711125123 in words is "seven hundred eleven million, one hundred twenty-five thousand, one hundred twenty-three".