126725 has 12 divisors (see below), whose sum is σ = 162564. Its totient is φ = 97920.
The previous prime is 126719. The next prime is 126733. The reversal of 126725 is 527621.
It can be written as a sum of positive squares in 6 ways, for example, as 2116 + 124609 = 46^2 + 353^2 .
It is a de Polignac number, because none of the positive numbers 2k-126725 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 126725.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 857 + ... + 993.
It is an arithmetic number, because the mean of its divisors is an integer number (13547).
2126725 is an apocalyptic number.
It is an amenable number.
126725 is a deficient number, since it is larger than the sum of its proper divisors (35839).
126725 is a wasteful number, since it uses less digits than its factorization.
126725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 184 (or 179 counting only the distinct ones).
The product of its digits is 840, while the sum is 23.
The square root of 126725 is about 355.9845502266. The cubic root of 126725 is about 50.2289500375.
The spelling of 126725 in words is "one hundred twenty-six thousand, seven hundred twenty-five".
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