1111115 has 8 divisors (see below), whose sum is σ = 1355568. Its totient is φ = 874080.

The previous prime is 1111091. The next prime is 1111151. The reversal of 1111115 is 5111111.

It is a happy number.

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

It is not a de Polignac number, because 1111115 - 2⁸ = 1110859 is a prime.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 1111096 and 1111105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1517 + ... + 2126.

It is an arithmetic number, because the mean of its divisors is an integer number (169446).

2^1111115 is an apocalyptic number.

1111115 is a deficient number, since it is larger than the sum of its proper divisors (244453).

1111115 is an equidigital number, since it uses as much as digits as its factorization.

1111115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709.

The product of its digits is 5, while the sum is 11.

The square root of 1111115 is about 1054.0943980498. The cubic root of 1111115 is about 103.5745377018.

Adding to 1111115 its reverse (5111111), we get a palindrome (6222226).

It can be divided in two parts, 111111 and 5, that multiplied together give a palindrome (555555).

The spelling of 1111115 in words is "one million, one hundred eleven thousand, one hundred fifteen".