971510123 has 2 divisors, whose sum is σ = 971510124. Its totient is φ = 971510122.

The previous prime is 971510081. The next prime is 971510143. The reversal of 971510123 is 321015179.

971510123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (321015179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 971510123 - 2⁸ = 971509867 is a prime.

It is not a weakly prime, because it can be changed into another prime (971510143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485755061 + 485755062.

It is an arithmetic number, because the mean of its divisors is an integer number (485755062).

Almost surely, 2^971510123 is an apocalyptic number.

971510123 is a deficient number, since it is larger than the sum of its proper divisors (1).

971510123 is an equidigital number, since it uses as much as digits as its factorization.

971510123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 971510123 is about 31169.0571400548. The cubic root of 971510123 is about 990.4117333071.

The spelling of 971510123 in words is "nine hundred seventy-one million, five hundred ten thousand, one hundred twenty-three".