1293125 has 10 divisors (see below), whose sum is σ = 1616670. Its totient is φ = 1034000.
The previous prime is 1293119. The next prime is 1293133. The reversal of 1293125 is 5213921.
It can be written as a sum of positive squares in 5 ways, for example, as 749956 + 543169 = 866^2 + 737^2 .
It is a de Polignac number, because none of the positive numbers 2k-1293125 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1293125.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 410 + ... + 1659.
It is an arithmetic number, because the mean of its divisors is an integer number (161667).
21293125 is an apocalyptic number.
It is an amenable number.
1293125 is a deficient number, since it is larger than the sum of its proper divisors (323545).
1293125 is an frugal number, since it uses more digits than its factorization.
1293125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2089 (or 2074 counting only the distinct ones).
The product of its digits is 540, while the sum is 23.
The square root of 1293125 is about 1137.1565415544. The cubic root of 1293125 is about 108.9465551757.
The spelling of 1293125 in words is "one million, two hundred ninety-three thousand, one hundred twenty-five".
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