1115575 has 6 divisors (see below), whose sum is σ = 1383344. Its totient is φ = 892440.

The previous prime is 1115573. The next prime is 1115579. The reversal of 1115575 is 5755111.

It is not a de Polignac number, because 1115575 - 2¹ = 1115573 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 44623 = 1115575 / (1 + 1 + 1 + 5 + 5 + 7 + 5).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115573) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22287 + ... + 22336.

2^1115575 is an apocalyptic number.

1115575 is a deficient number, since it is larger than the sum of its proper divisors (267769).

1115575 is an equidigital number, since it uses as much as digits as its factorization.

1115575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44633 (or 44628 counting only the distinct ones).

The product of its digits is 875, while the sum is 25.

The square root of 1115575 is about 1056.2078393953. The cubic root of 1115575 is about 103.7129349382.

The spelling of 1115575 in words is "one million, one hundred fifteen thousand, five hundred seventy-five".