978071 has 2 divisors, whose sum is σ = 978072. Its totient is φ = 978070.

The previous prime is 978067. The next prime is 978073. The reversal of 978071 is 170879.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 978071 - 2² = 978067 is a prime.

Together with 978073, it forms a pair of twin primes.

It is a Chen prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 978071.

It is not a weakly prime, because it can be changed into another prime (978073) 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, 489035 + 489036.

It is an arithmetic number, because the mean of its divisors is an integer number (489036).

2⁹⁷⁸⁰⁷¹ is an apocalyptic number.

978071 is a deficient number, since it is larger than the sum of its proper divisors (1).

978071 is an equidigital number, since it uses as much as digits as its factorization.

978071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 978071 is about 988.9747216183. The cubic root of 978071 is about 99.2636241494.

The spelling of 978071 in words is "nine hundred seventy-eight thousand, seventy-one".