126378 has 48 divisors (see below), whose sum is σ = 336960. Its totient is φ = 33408.

The previous prime is 126359. The next prime is 126397. The reversal of 126378 is 873621.

It is an interprime number because it is at equal distance from previous prime (126359) and next prime (126397).

126378 is a modest number, since divided by 378 gives 126 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2113 + ... + 2171.

It is an arithmetic number, because the mean of its divisors is an integer number (7020).

2¹²⁶³⁷⁸ is an apocalyptic number.

126378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 126378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168480).

126378 is an abundant number, since it is smaller than the sum of its proper divisors (210582).

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

126378 is a wasteful number, since it uses less digits than its factorization.

126378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 88 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 126378 is about 355.4968354290. The cubic root of 126378 is about 50.1830622794.

Adding to 126378 its reverse (873621), we get a palindrome (999999).

The spelling of 126378 in words is "one hundred twenty-six thousand, three hundred seventy-eight".