1167671 has 4 divisors (see below), whose sum is σ = 1173000. Its totient is φ = 1162344.

The previous prime is 1167667. The next prime is 1167689. The reversal of 1167671 is 1767611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1167671 - 2² = 1167667 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2321 + ... + 2778.

It is an arithmetic number, because the mean of its divisors is an integer number (293250).

2^1167671 is an apocalyptic number.

1167671 is a deficient number, since it is larger than the sum of its proper divisors (5329).

1167671 is an equidigital number, since it uses as much as digits as its factorization.

1167671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5328.

The product of its digits is 1764, while the sum is 29.

The square root of 1167671 is about 1080.5882657146. The cubic root of 1167671 is about 105.3028595372.

The spelling of 1167671 in words is "one million, one hundred sixty-seven thousand, six hundred seventy-one".