1171648 has 14 divisors (see below), whose sum is σ = 2325116. Its totient is φ = 585792.

The previous prime is 1171637. The next prime is 1171661. The reversal of 1171648 is 8461711.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9090 + ... + 9217.

2^1171648 is an apocalyptic number.

It is an amenable number.

1171648 is a deficient number, since it is larger than the sum of its proper divisors (1153468).

1171648 is an equidigital number, since it uses as much as digits as its factorization.

1171648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18319 (or 18309 counting only the distinct ones).

The product of its digits is 1344, while the sum is 28.

The square root of 1171648 is about 1082.4269028438. The cubic root of 1171648 is about 105.4222752844.

The spelling of 1171648 in words is "one million, one hundred seventy-one thousand, six hundred forty-eight".