1110971 has 2 divisors, whose sum is σ = 1110972. Its totient is φ = 1110970.

The previous prime is 1110959. The next prime is 1110973. The reversal of 1110971 is 1790111.

It is a strong prime.

It is an emirp because it is prime and its reverse (1790111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110971 is a prime.

It is a Sophie Germain prime.

Together with 1110973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1110973) 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, 555485 + 555486.

It is an arithmetic number, because the mean of its divisors is an integer number (555486).

2^1110971 is an apocalyptic number.

1110971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110971 is an equidigital number, since it uses as much as digits as its factorization.

1110971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63, while the sum is 20.

The square root of 1110971 is about 1054.0260907587. The cubic root of 1110971 is about 103.5700631041.

The spelling of 1110971 in words is "one million, one hundred ten thousand, nine hundred seventy-one".