1218048 has 80 divisors (see below), whose sum is σ = 3551856. Its totient is φ = 368640.
The previous prime is 1218043. The next prime is 1218089. The reversal of 1218048 is 8408121.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1218043) 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, 19938 + ... + 19998.
21218048 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1218048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1775928).
1218048 is an abundant number, since it is smaller than the sum of its proper divisors (2333808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1218048 is an equidigital number, since it uses as much as digits as its factorization.
1218048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95 (or 79 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 24.
The square root of 1218048 is about 1103.6521191028. The cubic root of 1218048 is about 106.7959543418.
The spelling of 1218048 in words is "one million, two hundred eighteen thousand, forty-eight".
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