1217163 has 8 divisors (see below), whose sum is σ = 1628368. Its totient is φ = 808704.

The previous prime is 1217147. The next prime is 1217171. The reversal of 1217163 is 3617121.

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

It is not a de Polignac number, because 1217163 - 2⁴ = 1217147 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1217113) 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, 831 + ... + 1767.

It is an arithmetic number, because the mean of its divisors is an integer number (203546).

2^1217163 is an apocalyptic number.

1217163 is a deficient number, since it is larger than the sum of its proper divisors (411205).

1217163 is an equidigital number, since it uses as much as digits as its factorization.

1217163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373.

The product of its digits is 252, while the sum is 21.

The square root of 1217163 is about 1103.2511046901. The cubic root of 1217163 is about 106.7700830791.

The spelling of 1217163 in words is "one million, two hundred seventeen thousand, one hundred sixty-three".