1244028 has 12 divisors (see below), whose sum is σ = 2902760. Its totient is φ = 414672.
The previous prime is 1244027. The next prime is 1244029. The reversal of 1244028 is 8204421.
It is an interprime number because it is at equal distance from previous prime (1244027) and next prime (1244029).
It is a tau number, because it is divible by the number of its divisors (12).
It is a junction number, because it is equal to n+sod(n) for n = 1243995 and 1244013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1244021) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51823 + ... + 51846.
21244028 is an apocalyptic number.
It is an amenable number.
1244028 is an abundant number, since it is smaller than the sum of its proper divisors (1658732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1244028 is a wasteful number, since it uses less digits than its factorization.
1244028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103676 (or 103674 counting only the distinct ones).
The product of its (nonzero) digits is 512, while the sum is 21.
The square root of 1244028 is about 1115.3600315593. The cubic root of 1244028 is about 107.5499101214.
Adding to 1244028 its reverse (8204421), we get a palindrome (9448449).
The spelling of 1244028 in words is "one million, two hundred forty-four thousand, twenty-eight".
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