1115975 has 18 divisors (see below), whose sum is σ = 1611504. Its totient is φ = 764400.

The previous prime is 1115941. The next prime is 1115987. The reversal of 1115975 is 5795111.

It is not a de Polignac number, because 1115975 - 2⁶ = 1115911 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 770 + ... + 1680.

It is an arithmetic number, because the mean of its divisors is an integer number (89528).

2^1115975 is an apocalyptic number.

1115975 is a deficient number, since it is larger than the sum of its proper divisors (495529).

1115975 is an equidigital number, since it uses as much as digits as its factorization.

1115975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935 (or 923 counting only the distinct ones).

The product of its digits is 1575, while the sum is 29.

The square root of 1115975 is about 1056.3971790951. The cubic root of 1115975 is about 103.7253292092.

The spelling of 1115975 in words is "one million, one hundred fifteen thousand, nine hundred seventy-five".