1148671 has 4 divisors (see below), whose sum is σ = 1168200. Its totient is φ = 1129144.

The previous prime is 1148663. The next prime is 1148677. The reversal of 1148671 is 1768411.

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 1148671 - 2³ = 1148663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9676 + ... + 9793.

It is an arithmetic number, because the mean of its divisors is an integer number (292050).

2^1148671 is an apocalyptic number.

1148671 is a deficient number, since it is larger than the sum of its proper divisors (19529).

1148671 is an equidigital number, since it uses as much as digits as its factorization.

1148671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19528.

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

The square root of 1148671 is about 1071.7607009030. The cubic root of 1148671 is about 104.7285809366.

The spelling of 1148671 in words is "one million, one hundred forty-eight thousand, six hundred seventy-one".