1170971 has 2 divisors, whose sum is σ = 1170972. Its totient is φ = 1170970.

The previous prime is 1170947. The next prime is 1170979. The reversal of 1170971 is 1790711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1170971 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1170971.

It is not a weakly prime, because it can be changed into another prime (1170979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585485 + 585486.

It is an arithmetic number, because the mean of its divisors is an integer number (585486).

2^1170971 is an apocalyptic number.

1170971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170971 is an equidigital number, since it uses as much as digits as its factorization.

1170971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441, while the sum is 26.

The square root of 1170971 is about 1082.1141344609. The cubic root of 1170971 is about 105.4019663886.

The spelling of 1170971 in words is "one million, one hundred seventy thousand, nine hundred seventy-one".