1218301 has 8 divisors (see below), whose sum is σ = 1399680. Its totient is φ = 1038768.

The previous prime is 1218281. The next prime is 1218307. The reversal of 1218301 is 1038121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1218301 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1218307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1560 + ... + 2206.

It is an arithmetic number, because the mean of its divisors is an integer number (174960).

2^1218301 is an apocalyptic number.

It is an amenable number.

1218301 is a deficient number, since it is larger than the sum of its proper divisors (181379).

1218301 is an equidigital number, since it uses as much as digits as its factorization.

1218301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1218301 is about 1103.7667326025. The cubic root of 1218301 is about 106.8033480039.

The spelling of 1218301 in words is "one million, two hundred eighteen thousand, three hundred one".