1217135 has 8 divisors (see below), whose sum is σ = 1468320. Its totient is φ = 968544.

The previous prime is 1217131. The next prime is 1217141. The reversal of 1217135 is 5317121.

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 1217135 - 2² = 1217131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1217131) 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 7 ways as a sum of consecutive naturals, for example, 614 + ... + 1676.

It is an arithmetic number, because the mean of its divisors is an integer number (183540).

2^1217135 is an apocalyptic number.

1217135 is a deficient number, since it is larger than the sum of its proper divisors (251185).

1217135 is a wasteful number, since it uses less digits than its factorization.

1217135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297.

The product of its digits is 210, while the sum is 20.

The square root of 1217135 is about 1103.2384148497. The cubic root of 1217135 is about 106.7692643487.

The spelling of 1217135 in words is "one million, two hundred seventeen thousand, one hundred thirty-five".