1214768018 has 4 divisors (see below), whose sum is σ = 1822152030. Its totient is φ = 607384008.

The previous prime is 1214768011. The next prime is 1214768029. The reversal of 1214768018 is 8108674121.

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: 8108674121 = 163 ⋅49746467.

It can be written as a sum of positive squares in only one way, i.e., 683142769 + 531625249 = 26137^2 + 23057^2 .

It is a super-2 number, since 2×1214768018² = 2951322675111296648, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1214768011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303692003 + ... + 303692006.

Almost surely, 2^1214768018 is an apocalyptic number.

1214768018 is a deficient number, since it is larger than the sum of its proper divisors (607384012).

1214768018 is an equidigital number, since it uses as much as digits as its factorization.

1214768018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607384011.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 1214768018 is about 34853.5223184114. The cubic root of 1214768018 is about 1067.0000746604. Note that the first 4 decimals are identical.

The spelling of 1214768018 in words is "one billion, two hundred fourteen million, seven hundred sixty-eight thousand, eighteen".