1115915 has 8 divisors (see below), whose sum is σ = 1364688. Its totient is φ = 875680.

The previous prime is 1115911. The next prime is 1115923. The reversal of 1115915 is 5195111.

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

It is not a de Polignac number, because 1115915 - 2² = 1115911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841 + ... + 2370.

It is an arithmetic number, because the mean of its divisors is an integer number (170586).

2^1115915 is an apocalyptic number.

1115915 is a deficient number, since it is larger than the sum of its proper divisors (248773).

1115915 is an equidigital number, since it uses as much as digits as its factorization.

1115915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4269.

The product of its digits is 225, while the sum is 23.

The square root of 1115915 is about 1056.3687803035. The cubic root of 1115915 is about 103.7234702574.

The spelling of 1115915 in words is "one million, one hundred fifteen thousand, nine hundred fifteen".