1115875 has 16 divisors (see below), whose sum is σ = 1422720. Its totient is φ = 873600.

The previous prime is 1115857. The next prime is 1115879. The reversal of 1115875 is 5785111.

It is not a de Polignac number, because 1115875 - 2⁵ = 1115843 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1115879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9819 + ... + 9931.

It is an arithmetic number, because the mean of its divisors is an integer number (88920).

2^1115875 is an apocalyptic number.

1115875 is the 565-th nonagonal number.

1115875 is a deficient number, since it is larger than the sum of its proper divisors (306845).

1115875 is an equidigital number, since it uses as much as digits as its factorization.

1115875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 197 counting only the distinct ones).

The product of its digits is 1400, while the sum is 28.

The square root of 1115875 is about 1056.3498473517. The cubic root of 1115875 is about 103.7222309192.

The spelling of 1115875 in words is "one million, one hundred fifteen thousand, eight hundred seventy-five".