1268930 has 32 divisors (see below), whose sum is σ = 2528064. Its totient is φ = 455616.
The previous prime is 1268929. The next prime is 1268947. The reversal of 1268930 is 398621.
It is a super-2 number, since 2×12689302 = 3220366689800, which contains 22 as substring.
It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a junction number, because it is equal to n+sod(n) for n = 1268893 and 1268902.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5477 + ... + 5703.
It is an arithmetic number, because the mean of its divisors is an integer number (79002).
21268930 is an apocalyptic number.
1268930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1268930 is a deficient number, since it is larger than the sum of its proper divisors (1259134).
1268930 is a wasteful number, since it uses less digits than its factorization.
1268930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 290.
The product of its (nonzero) digits is 2592, while the sum is 29.
The square root of 1268930 is about 1126.4679311902. The cubic root of 1268930 is about 108.2627916834.
The spelling of 1268930 in words is "one million, two hundred sixty-eight thousand, nine hundred thirty".
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