1130449 has 8 divisors (see below), whose sum is σ = 1238760. Its totient is φ = 1026816.
The previous prime is 1130447. The next prime is 1130471. The reversal of 1130449 is 9440311.
It can be written as a sum of positive squares in 4 ways, for example, as 208849 + 921600 = 457^2 + 960^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1130449 - 21 = 1130447 is a prime.
It is a super-3 number, since 3×11304493 = 4333853003453726547, which contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1130447) 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, 654 + ... + 1639.
It is an arithmetic number, because the mean of its divisors is an integer number (154845).
21130449 is an apocalyptic number.
It is an amenable number.
1130449 is a deficient number, since it is larger than the sum of its proper divisors (108311).
1130449 is a wasteful number, since it uses less digits than its factorization.
1130449 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2339.
The product of its (nonzero) digits is 432, while the sum is 22.
The square root of 1130449 is about 1063.2257521336. The cubic root of 1130449 is about 104.1718374678.
The spelling of 1130449 in words is "one million, one hundred thirty thousand, four hundred forty-nine".
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