1218068 has 6 divisors (see below), whose sum is σ = 2131626. Its totient is φ = 609032.
The previous prime is 1218043. The next prime is 1218089. The reversal of 1218068 is 8608121.
It can be written as a sum of positive squares in only one way, i.e., 917764 + 300304 = 958^2 + 548^2 .
It is a plaindrome in base 9.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152255 + ... + 152262.
It is an arithmetic number, because the mean of its divisors is an integer number (355271).
21218068 is an apocalyptic number.
It is an amenable number.
1218068 is a deficient number, since it is larger than the sum of its proper divisors (913558).
1218068 is a wasteful number, since it uses less digits than its factorization.
1218068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 304521 (or 304519 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 26.
The square root of 1218068 is about 1103.6611798917. The cubic root of 1218068 is about 106.7965388583.
The spelling of 1218068 in words is "one million, two hundred eighteen thousand, sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •