1371166 has 8 divisors (see below), whose sum is σ = 2061720. Its totient is φ = 683928.

The previous prime is 1371157. The next prime is 1371179. The reversal of 1371166 is 6611731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1371166.

It is a congruent number.

It is an unprimeable number.

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, 1240 + ... + 2068.

It is an arithmetic number, because the mean of its divisors is an integer number (257715).

2^1371166 is an apocalyptic number.

1371166 is a deficient number, since it is larger than the sum of its proper divisors (690554).

1371166 is an equidigital number, since it uses as much as digits as its factorization.

1371166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658.

The product of its digits is 756, while the sum is 25.

The square root of 1371166 is about 1170.9679756509. The cubic root of 1371166 is about 111.0955538959.

Adding to 1371166 its reverse (6611731), we get a palindrome (7982897).

The spelling of 1371166 in words is "one million, three hundred seventy-one thousand, one hundred sixty-six".