126081 has 6 divisors (see below), whose sum is σ = 182130. Its totient is φ = 84048.

The previous prime is 126079. The next prime is 126097. The reversal of 126081 is 180621.

It can be written as a sum of positive squares in only one way, i.e., 119025 + 7056 = 345^2 + 84^2 .

It is not a de Polignac number, because 126081 - 2¹ = 126079 is a prime.

It is a super-2 number, since 2×126081² = 31792837122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6996 + ... + 7013.

It is an arithmetic number, because the mean of its divisors is an integer number (30355).

2¹²⁶⁰⁸¹ is an apocalyptic number.

It is an amenable number.

126081 is a deficient number, since it is larger than the sum of its proper divisors (56049).

126081 is a wasteful number, since it uses less digits than its factorization.

126081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14015 (or 14012 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 126081 is about 355.0788644794. The cubic root of 126081 is about 50.1437198297.

The spelling of 126081 in words is "one hundred twenty-six thousand, eighty-one".