1116215 has 4 divisors (see below), whose sum is σ = 1339464. Its totient is φ = 892968.

The previous prime is 1116209. The next prime is 1116223. The reversal of 1116215 is 5126111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5126111 = 947 ⋅5413.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116215 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1116193 and 1116202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111617 + ... + 111626.

It is an arithmetic number, because the mean of its divisors is an integer number (334866).

2^1116215 is an apocalyptic number.

1116215 is a deficient number, since it is larger than the sum of its proper divisors (223249).

1116215 is an equidigital number, since it uses as much as digits as its factorization.

1116215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223248.

The product of its digits is 60, while the sum is 17.

The square root of 1116215 is about 1056.5107666276. The cubic root of 1116215 is about 103.7327643503.

It can be divided in two parts, 1116 and 215, that added together give a palindrome (1331).

The spelling of 1116215 in words is "one million, one hundred sixteen thousand, two hundred fifteen".