1144961 has 4 divisors (see below), whose sum is σ = 1171632. Its totient is φ = 1118292.
The previous prime is 1144951. The next prime is 1144973. The reversal of 1144961 is 1694411.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1694411 = 787 ⋅2153.
It is a cyclic number.
It is not a de Polignac number, because 1144961 - 214 = 1128577 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 1144961.
It is not an unprimeable number, because it can be changed into a prime (1144901) 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, 13271 + ... + 13356.
It is an arithmetic number, because the mean of its divisors is an integer number (292908).
21144961 is an apocalyptic number.
It is an amenable number.
1144961 is a deficient number, since it is larger than the sum of its proper divisors (26671).
1144961 is an equidigital number, since it uses as much as digits as its factorization.
1144961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26670.
The product of its digits is 864, while the sum is 26.
The square root of 1144961 is about 1070.0285042932. The cubic root of 1144961 is about 104.6157078582.
The spelling of 1144961 in words is "one million, one hundred forty-four thousand, nine hundred sixty-one".
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