1189671 has 12 divisors (see below), whose sum is σ = 1845432. Its totient is φ = 679728.

The previous prime is 1189651. The next prime is 1189673. The reversal of 1189671 is 1769811.

It is not a de Polignac number, because 1189671 - 2⁶ = 1189607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3900 + ... + 4193.

It is an arithmetic number, because the mean of its divisors is an integer number (153786).

2^1189671 is an apocalyptic number.

1189671 is a deficient number, since it is larger than the sum of its proper divisors (655761).

1189671 is an equidigital number, since it uses as much as digits as its factorization.

1189671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8110 (or 8103 counting only the distinct ones).

The product of its digits is 3024, while the sum is 33.

The square root of 1189671 is about 1090.7204041366. The cubic root of 1189671 is about 105.9600834634.

The spelling of 1189671 in words is "one million, one hundred eighty-nine thousand, six hundred seventy-one".