126618 has 16 divisors (see below), whose sum is σ = 259200. Its totient is φ = 41216.

The previous prime is 126613. The next prime is 126631. The reversal of 126618 is 816621.

It is not an unprimeable number, because it can be changed into a prime (126611) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 58 + ... + 506.

It is an arithmetic number, because the mean of its divisors is an integer number (16200).

2¹²⁶⁶¹⁸ is an apocalyptic number.

126618 is an abundant number, since it is smaller than the sum of its proper divisors (132582).

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

126618 is a wasteful number, since it uses less digits than its factorization.

126618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501.

The product of its digits is 576, while the sum is 24.

The square root of 126618 is about 355.8342310683. The cubic root of 126618 is about 50.2148091523.

The spelling of 126618 in words is "one hundred twenty-six thousand, six hundred eighteen".