1217361 has 8 divisors (see below), whose sum is σ = 1643040. Its totient is φ = 801632.

The previous prime is 1217351. The next prime is 1217393. The reversal of 1217361 is 1637121.

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 1217361 - 2⁵ = 1217329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1217351) 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, 2196 + ... + 2693.

It is an arithmetic number, because the mean of its divisors is an integer number (205380).

2^1217361 is an apocalyptic number.

It is an amenable number.

1217361 is a deficient number, since it is larger than the sum of its proper divisors (425679).

1217361 is an equidigital number, since it uses as much as digits as its factorization.

1217361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4975.

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

The square root of 1217361 is about 1103.3408358254. The cubic root of 1217361 is about 106.7758723148.

The spelling of 1217361 in words is "one million, two hundred seventeen thousand, three hundred sixty-one".