1115655 has 8 divisors (see below), whose sum is σ = 1785072. Its totient is φ = 595008.

The previous prime is 1115641. The next prime is 1115657. The reversal of 1115655 is 5565111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1115655 - 2⁸ = 1115399 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37174 + ... + 37203.

It is an arithmetic number, because the mean of its divisors is an integer number (223134).

2^1115655 is an apocalyptic number.

1115655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1115655 is a deficient number, since it is larger than the sum of its proper divisors (669417).

1115655 is an equidigital number, since it uses as much as digits as its factorization.

1115655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74385.

The product of its digits is 750, while the sum is 24.

The square root of 1115655 is about 1056.2457100505. The cubic root of 1115655 is about 103.7154140294.

It can be divided in two parts, 11156 and 55, that added together give a palindrome (11211).

The spelling of 1115655 in words is "one million, one hundred fifteen thousand, six hundred fifty-five".