1115945 has 8 divisors (see below), whose sum is σ = 1345344. Its totient is φ = 888624.

The previous prime is 1115941. The next prime is 1115987. The reversal of 1115945 is 5495111.

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

It is a cyclic number.

It is not a de Polignac number, because 1115945 - 2² = 1115941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1115941) 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, 1172 + ... + 1898.

It is an arithmetic number, because the mean of its divisors is an integer number (168168).

2^1115945 is an apocalyptic number.

It is an amenable number.

1115945 is a deficient number, since it is larger than the sum of its proper divisors (229399).

1115945 is an equidigital number, since it uses as much as digits as its factorization.

1115945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039.

The product of its digits is 900, while the sum is 26.

The square root of 1115945 is about 1056.3829797947. The cubic root of 1115945 is about 103.7243997416.

The spelling of 1115945 in words is "one million, one hundred fifteen thousand, nine hundred forty-five".