1130448 has 40 divisors (see below), whose sum is σ = 3187296. Its totient is φ = 342400.
The previous prime is 1130447. The next prime is 1130471. The reversal of 1130448 is 8440311.
It is a super-3 number, since 3×11304483 = 4333841502229426176, which contains 333 as substring.
It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1130447) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543 + ... + 1598.
21130448 is an apocalyptic number.
It is an amenable number.
1130448 is an abundant number, since it is smaller than the sum of its proper divisors (2056848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1130448 is a wasteful number, since it uses less digits than its factorization.
1130448 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2163 (or 2157 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 21.
The square root of 1130448 is about 1063.2252818665. The cubic root of 1130448 is about 104.1718067508.
Adding to 1130448 its reverse (8440311), we get a palindrome (9570759).
The spelling of 1130448 in words is "one million, one hundred thirty thousand, four hundred forty-eight".
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