1117995 has 16 divisors (see below), whose sum is σ = 1815072. Its totient is φ = 587520.

The previous prime is 1117993. The next prime is 1118003. The reversal of 1117995 is 5997111.

It is a happy number.

It is not a de Polignac number, because 1117995 - 2¹ = 1117993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585 + ... + 1605.

It is an arithmetic number, because the mean of its divisors is an integer number (113442).

2^1117995 is an apocalyptic number.

1117995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1117995 is a deficient number, since it is larger than the sum of its proper divisors (697077).

1117995 is a wasteful number, since it uses less digits than its factorization.

1117995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102.

The product of its digits is 2835, while the sum is 33.

The square root of 1117995 is about 1057.3528266383. The cubic root of 1117995 is about 103.7878750766.

It can be divided in two parts, 1117 and 995, that added together give a palindrome (2112).

The spelling of 1117995 in words is "one million, one hundred seventeen thousand, nine hundred ninety-five".