1115955 has 12 divisors (see below), whose sum is σ = 1934400. Its totient is φ = 595152.

The previous prime is 1115941. The next prime is 1115987. The reversal of 1115955 is 5595111.

It is not a de Polignac number, because 1115955 - 2⁵ = 1115923 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12355 + ... + 12444.

It is an arithmetic number, because the mean of its divisors is an integer number (161200).

2^1115955 is an apocalyptic number.

1115955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1115955 is a deficient number, since it is larger than the sum of its proper divisors (818445).

1115955 is a wasteful number, since it uses less digits than its factorization.

1115955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24810 (or 24807 counting only the distinct ones).

The product of its digits is 1125, while the sum is 27.

The square root of 1115955 is about 1056.3877129160. The cubic root of 1115955 is about 103.7247095660.

The spelling of 1115955 in words is "one million, one hundred fifteen thousand, nine hundred fifty-five".