1121115 has 16 divisors (see below), whose sum is σ = 1852416. Its totient is φ = 578400.

The previous prime is 1121101. The next prime is 1121143. The reversal of 1121115 is 5111211.

It is not a de Polignac number, because 1121115 - 2⁵ = 1121083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121115.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741 + ... + 1670.

It is an arithmetic number, because the mean of its divisors is an integer number (115776).

2^1121115 is an apocalyptic number.

1121115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1121115 is a deficient number, since it is larger than the sum of its proper divisors (731301).

1121115 is a wasteful number, since it uses less digits than its factorization.

1121115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450.

The product of its digits is 10, while the sum is 12.

The square root of 1121115 is about 1058.8271813663. The cubic root of 1121115 is about 103.8843326961.

Adding to 1121115 its reverse (5111211), we get a palindrome (6232326).

The spelling of 1121115 in words is "one million, one hundred twenty-one thousand, one hundred fifteen".