1115755 has 4 divisors (see below), whose sum is σ = 1338912. Its totient is φ = 892600.

The previous prime is 1115743. The next prime is 1115759. The reversal of 1115755 is 5575111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1115755 - 2⁷ = 1115627 is a prime.

It is a Duffinian number.

1115755 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1115759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111571 + ... + 111580.

It is an arithmetic number, because the mean of its divisors is an integer number (334728).

2^1115755 is an apocalyptic number.

1115755 is a deficient number, since it is larger than the sum of its proper divisors (223157).

1115755 is an equidigital number, since it uses as much as digits as its factorization.

1115755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223156.

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

The square root of 1115755 is about 1056.2930464601. The cubic root of 1115755 is about 103.7185127267.

The spelling of 1115755 in words is "one million, one hundred fifteen thousand, seven hundred fifty-five".