126340 has 12 divisors (see below), whose sum is σ = 265356. Its totient is φ = 50528.

The previous prime is 126337. The next prime is 126341. The reversal of 126340 is 43621.

126340 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 56644 + 69696 = 238^2 + 264^2 .

It is not an unprimeable number, because it can be changed into a prime (126341) 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, 3139 + ... + 3178.

It is an arithmetic number, because the mean of its divisors is an integer number (22113).

2¹²⁶³⁴⁰ is an apocalyptic number.

126340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126340 is an abundant number, since it is smaller than the sum of its proper divisors (139016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126340 is a wasteful number, since it uses less digits than its factorization.

126340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6326 (or 6324 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 126340 is about 355.4433850840. The cubic root of 126340 is about 50.1780320064.

Adding to 126340 its reverse (43621), we get a palindrome (169961).

The spelling of 126340 in words is "one hundred twenty-six thousand, three hundred forty".