1133215 has 4 divisors (see below), whose sum is σ = 1359864. Its totient is φ = 906568.

The previous prime is 1133191. The next prime is 1133219. The reversal of 1133215 is 5123311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1133215 - 2⁵ = 1133183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113317 + ... + 113326.

It is an arithmetic number, because the mean of its divisors is an integer number (339966).

2^1133215 is an apocalyptic number.

1133215 is a deficient number, since it is larger than the sum of its proper divisors (226649).

1133215 is an equidigital number, since it uses as much as digits as its factorization.

1133215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226648.

The product of its digits is 90, while the sum is 16.

The square root of 1133215 is about 1064.5257159881. The cubic root of 1133215 is about 104.2567313502.

Adding to 1133215 its reverse (5123311), we get a palindrome (6256526).

The spelling of 1133215 in words is "one million, one hundred thirty-three thousand, two hundred fifteen".