1117755 has 24 divisors (see below), whose sum is σ = 1974960. Its totient is φ = 584640.

The previous prime is 1117741. The next prime is 1117757. The reversal of 1117755 is 5577111.

It is not a de Polignac number, because 1117755 - 2⁹ = 1117243 is a prime.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1117757) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2445 + ... + 2865.

It is an arithmetic number, because the mean of its divisors is an integer number (82290).

2^1117755 is an apocalyptic number.

1117755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1117755 is a deficient number, since it is larger than the sum of its proper divisors (857205).

1117755 is a wasteful number, since it uses less digits than its factorization.

1117755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 488 counting only the distinct ones).

The product of its digits is 1225, while the sum is 27.

The square root of 1117755 is about 1057.2393295749. The cubic root of 1117755 is about 103.7804478303.

It can be divided in two parts, 11 and 17755, that added together give a triangular number (17766 = T₁₈₈).

The spelling of 1117755 in words is "one million, one hundred seventeen thousand, seven hundred fifty-five".