1144925 has 12 divisors (see below), whose sum is σ = 1455636. Its totient is φ = 892800.
The previous prime is 1144919. The next prime is 1144931. The reversal of 1144925 is 5294411.
It is an interprime number because it is at equal distance from previous prime (1144919) and next prime (1144931).
It can be written as a sum of positive squares in 6 ways, for example, as 487204 + 657721 = 698^2 + 811^2 .
It is a de Polignac number, because none of the positive numbers 2k-1144925 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1144894 and 1144903.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 467 + ... + 1583.
It is an arithmetic number, because the mean of its divisors is an integer number (121303).
21144925 is an apocalyptic number.
It is an amenable number.
1144925 is a deficient number, since it is larger than the sum of its proper divisors (310711).
1144925 is a wasteful number, since it uses less digits than its factorization.
1144925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1168 (or 1163 counting only the distinct ones).
The product of its digits is 1440, while the sum is 26.
The square root of 1144925 is about 1070.0116821792. The cubic root of 1144925 is about 104.6146114002.
It can be divided in two parts, 11449 and 25, that multiplied together give a square (286225 = 5352).
The spelling of 1144925 in words is "one million, one hundred forty-four thousand, nine hundred twenty-five".
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