126534 has 8 divisors (see below), whose sum is σ = 253080. Its totient is φ = 42176.

The previous prime is 126517. The next prime is 126541. The reversal of 126534 is 435621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

126534 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 126534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10539 + ... + 10550.

It is an arithmetic number, because the mean of its divisors is an integer number (31635).

2¹²⁶⁵³⁴ is an apocalyptic number.

126534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

126534 is a wasteful number, since it uses less digits than its factorization.

126534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21094.

The product of its digits is 720, while the sum is 21.

The square root of 126534 is about 355.7161789967. The cubic root of 126534 is about 50.2037023137.

The spelling of 126534 in words is "one hundred twenty-six thousand, five hundred thirty-four".