1143875 has 8 divisors (see below), whose sum is σ = 1427712. Its totient is φ = 915000.

The previous prime is 1143851. The next prime is 1143887. The reversal of 1143875 is 5783411.

It is not a de Polignac number, because 1143875 - 2⁸ = 1143619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4451 + ... + 4700.

It is an arithmetic number, because the mean of its divisors is an integer number (178464).

2^1143875 is an apocalyptic number.

1143875 is a deficient number, since it is larger than the sum of its proper divisors (283837).

1143875 is an frugal number, since it uses more digits than its factorization.

1143875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9166 (or 9156 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 1143875 is about 1069.5209207865. The cubic root of 1143875 is about 104.5826212587.

The spelling of 1143875 in words is "one million, one hundred forty-three thousand, eight hundred seventy-five".