125242 has 8 divisors (see below), whose sum is σ = 202356. Its totient is φ = 57792.
The previous prime is 125231. The next prime is 125243. The reversal of 125242 is 242521.
It can be written as a sum of positive squares in 2 ways, for example, as 103041 + 22201 = 321^2 + 149^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (125243) 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, 2383 + ... + 2434.
2125242 is an apocalyptic number.
125242 is a deficient number, since it is larger than the sum of its proper divisors (77114).
125242 is a wasteful number, since it uses less digits than its factorization.
125242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4832.
The product of its digits is 160, while the sum is 16.
The square root of 125242 is about 353.8954647915. The cubic root of 125242 is about 50.0322458663.
Adding to 125242 its reverse (242521), we get a palindrome (367763).
The spelling of 125242 in words is "one hundred twenty-five thousand, two hundred forty-two".
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