1218059 has 4 divisors (see below), whose sum is σ = 1221000. Its totient is φ = 1215120.

The previous prime is 1218043. The next prime is 1218089. The reversal of 1218059 is 9508121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9508121 = 7 ⋅1358303.

It is a cyclic number.

It is not a de Polignac number, because 1218059 - 2⁴ = 1218043 is a prime.

It is a super-3 number, since 3×1218059³ = 5421584485403338137, 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, 722 + ... + 1719.

It is an arithmetic number, because the mean of its divisors is an integer number (305250).

2^1218059 is an apocalyptic number.

1218059 is a deficient number, since it is larger than the sum of its proper divisors (2941).

1218059 is an equidigital number, since it uses as much as digits as its factorization.

1218059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1218059 is about 1103.6571025459. The cubic root of 1218059 is about 106.7962758267.

The spelling of 1218059 in words is "one million, two hundred eighteen thousand, fifty-nine".