1218059113 has 8 divisors (see below), whose sum is σ = 1235985408. Its totient is φ = 1200210384.

The previous prime is 1218059081. The next prime is 1218059149. The reversal of 1218059113 is 3119508121.

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 1218059113 - 2⁵ = 1218059081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1218059813) 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, 12631 + ... + 50947.

It is an arithmetic number, because the mean of its divisors is an integer number (154498176).

Almost surely, 2^1218059113 is an apocalyptic number.

It is an amenable number.

1218059113 is a deficient number, since it is larger than the sum of its proper divisors (17926295).

1218059113 is an equidigital number, since it uses as much as digits as its factorization.

1218059113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38783.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 1218059113 is about 34900.7036175490. The cubic root of 1218059113 is about 1067.9627912921.

The spelling of 1218059113 in words is "one billion, two hundred eighteen million, fifty-nine thousand, one hundred thirteen".