1116245 has 12 divisors (see below), whose sum is σ = 1451556. Its totient is φ = 823680.

The previous prime is 1116229. The next prime is 1116257. The reversal of 1116245 is 5426111.

It can be written as a sum of positive squares in 6 ways, for example, as 47089 + 1069156 = 217^2 + 1034^2 .

It is not a de Polignac number, because 1116245 - 2⁴ = 1116229 is a prime.

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 185 + ... + 1505.

It is an arithmetic number, because the mean of its divisors is an integer number (120963).

2^1116245 is an apocalyptic number.

It is an amenable number.

1116245 is a deficient number, since it is larger than the sum of its proper divisors (335311).

1116245 is a wasteful number, since it uses less digits than its factorization.

1116245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352 (or 1339 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 1116245 is about 1056.5249642105. The cubic root of 1116245 is about 103.7336936680.

The spelling of 1116245 in words is "one million, one hundred sixteen thousand, two hundred forty-five".