1268748 has 36 divisors (see below), whose sum is σ = 3455088. Its totient is φ = 390240.
The previous prime is 1268747. The next prime is 1268753. The reversal of 1268748 is 8478621.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (1268741) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 888 + ... + 1823.
21268748 is an apocalyptic number.
1268748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1268748 is an abundant number, since it is smaller than the sum of its proper divisors (2186340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1268748 is a wasteful number, since it uses less digits than its factorization.
1268748 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2734 (or 2729 counting only the distinct ones).
The product of its digits is 21504, while the sum is 36.
The square root of 1268748 is about 1126.3871448130. The cubic root of 1268748 is about 108.2576154666.
It can be divided in two parts, 1268 and 748, that added together give a triangular number (2016 = T63).
The spelling of 1268748 in words is "one million, two hundred sixty-eight thousand, seven hundred forty-eight".
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