1218083 has 4 divisors (see below), whose sum is σ = 1257408. Its totient is φ = 1178760.

The previous prime is 1218043. The next prime is 1218089. The reversal of 1218083 is 3808121.

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 1218083 - 2¹⁴ = 1201699 is a prime.

It is a super-3 number, since 3×1218083³ = 5421904963946933361, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1218089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19616 + ... + 19677.

It is an arithmetic number, because the mean of its divisors is an integer number (314352).

2^1218083 is an apocalyptic number.

1218083 is a deficient number, since it is larger than the sum of its proper divisors (39325).

1218083 is an equidigital number, since it uses as much as digits as its factorization.

1218083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39324.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1218083 is about 1103.6679754346. The cubic root of 1218083 is about 106.7969772415.

The spelling of 1218083 in words is "one million, two hundred eighteen thousand, eighty-three".