126270 has 48 divisors (see below), whose sum is σ = 348192. Its totient is φ = 31680.
The previous prime is 126257. The next prime is 126271. The reversal of 126270 is 72621.
It is a happy number.
It is a super-2 number, since 2×1262702 = 31888225800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (126271) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2040 + ... + 2100.
It is an arithmetic number, because the mean of its divisors is an integer number (7254).
2126270 is an apocalyptic number.
126270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 126270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174096).
126270 is an abundant number, since it is smaller than the sum of its proper divisors (221922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126270 is a wasteful number, since it uses less digits than its factorization.
126270 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97 (or 94 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 18.
The square root of 126270 is about 355.3449028761. The cubic root of 126270 is about 50.1687630730.
Adding to 126270 its reverse (72621), we get a palindrome (198891).
The spelling of 126270 in words is "one hundred twenty-six thousand, two hundred seventy".
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