1185671 has 2 divisors, whose sum is σ = 1185672. Its totient is φ = 1185670.

The previous prime is 1185661. The next prime is 1185677. The reversal of 1185671 is 1765811.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1185671 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 (1185677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 592835 + 592836.

It is an arithmetic number, because the mean of its divisors is an integer number (592836).

2^1185671 is an apocalyptic number.

1185671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1185671 is an equidigital number, since it uses as much as digits as its factorization.

1185671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 29.

The square root of 1185671 is about 1088.8852097444. The cubic root of 1185671 is about 105.8411945029.

The spelling of 1185671 in words is "one million, one hundred eighty-five thousand, six hundred seventy-one".