1148643 has 24 divisors (see below), whose sum is σ = 1797120. Its totient is φ = 704880.

The previous prime is 1148629. The next prime is 1148647. The reversal of 1148643 is 3468411.

1148643 is a `hidden beast` number, since 1 + 14 + 8 + 643 = 666.

It is not a de Polignac number, because 1148643 - 2⁸ = 1148387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1148647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6328 + ... + 6506.

It is an arithmetic number, because the mean of its divisors is an integer number (74880).

2^1148643 is an apocalyptic number.

1148643 is a deficient number, since it is larger than the sum of its proper divisors (648477).

1148643 is a wasteful number, since it uses less digits than its factorization.

1148643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 236 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1148643 is about 1071.7476382059. The cubic root of 1148643 is about 104.7277299752.

The spelling of 1148643 in words is "one million, one hundred forty-eight thousand, six hundred forty-three".