126738 has 16 divisors (see below), whose sum is σ = 281760. Its totient is φ = 42228.
The previous prime is 126733. The next prime is 126739. The reversal of 126738 is 837621.
126738 is nontrivially palindromic in base 12.
It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (126733) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120 + ... + 1227.
It is an arithmetic number, because the mean of its divisors is an integer number (17610).
2126738 is an apocalyptic number.
126738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
126738 is an abundant number, since it is smaller than the sum of its proper divisors (155022).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126738 is a wasteful number, since it uses less digits than its factorization.
126738 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2358 (or 2352 counting only the distinct ones).
The product of its digits is 2016, while the sum is 27.
The square root of 126738 is about 356.0028089777. The cubic root of 126738 is about 50.2306675466.
The spelling of 126738 in words is "one hundred twenty-six thousand, seven hundred thirty-eight".
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