1155875 has 16 divisors (see below), whose sum is σ = 1649856. Its totient is φ = 792000.

The previous prime is 1155863. The next prime is 1155899. The reversal of 1155875 is 5785511.

It is a happy number.

It is not a de Polignac number, because 1155875 - 2⁴ = 1155859 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215 + ... + 1535.

It is an arithmetic number, because the mean of its divisors is an integer number (103116).

2^1155875 is an apocalyptic number.

1155875 is a deficient number, since it is larger than the sum of its proper divisors (493981).

1155875 is an equidigital number, since it uses as much as digits as its factorization.

1155875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343 (or 1333 counting only the distinct ones).

The product of its digits is 7000, while the sum is 32.

The square root of 1155875 is about 1075.1162727817. The cubic root of 1155875 is about 104.9470632630.

The spelling of 1155875 in words is "one million, one hundred fifty-five thousand, eight hundred seventy-five".