1170311 has 2 divisors, whose sum is σ = 1170312. Its totient is φ = 1170310.

The previous prime is 1170277. The next prime is 1170317. The reversal of 1170311 is 1130711.

It is a strong prime.

It is an emirp because it is prime and its reverse (1130711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1170311 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1170317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585155 + 585156.

It is an arithmetic number, because the mean of its divisors is an integer number (585156).

2^1170311 is an apocalyptic number.

1170311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1170311 is an equidigital number, since it uses as much as digits as its factorization.

1170311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21, while the sum is 14.

The square root of 1170311 is about 1081.8091328881. The cubic root of 1170311 is about 105.3821599284.

The spelling of 1170311 in words is "one million, one hundred seventy thousand, three hundred eleven".