971126047 has 2 divisors, whose sum is σ = 971126048. Its totient is φ = 971126046.

The previous prime is 971126029. The next prime is 971126063. The reversal of 971126047 is 740621179.

It is a strong prime.

It is an emirp because it is prime and its reverse (740621179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 971126047 - 2¹¹ = 971123999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 971125997 and 971126015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971126077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485563023 + 485563024.

It is an arithmetic number, because the mean of its divisors is an integer number (485563024).

Almost surely, 2^971126047 is an apocalyptic number.

971126047 is a deficient number, since it is larger than the sum of its proper divisors (1).

971126047 is an equidigital number, since it uses as much as digits as its factorization.

971126047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 971126047 is about 31162.8953564973. The cubic root of 971126047 is about 990.2811999217.

The spelling of 971126047 in words is "nine hundred seventy-one million, one hundred twenty-six thousand, forty-seven".