1115345 has 16 divisors (see below), whose sum is σ = 1669248. Its totient is φ = 695040.

The previous prime is 1115329. The next prime is 1115351. The reversal of 1115345 is 5435111.

It is not a de Polignac number, because 1115345 - 2⁴ = 1115329 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1064 + ... + 1833.

It is an arithmetic number, because the mean of its divisors is an integer number (104328).

2^1115345 is an apocalyptic number.

It is an amenable number.

1115345 is a deficient number, since it is larger than the sum of its proper divisors (553903).

1115345 is a wasteful number, since it uses less digits than its factorization.

1115345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920.

The product of its digits is 300, while the sum is 20.

The square root of 1115345 is about 1056.0989536970. The cubic root of 1115345 is about 103.7058068908.

The spelling of 1115345 in words is "one million, one hundred fifteen thousand, three hundred forty-five".