126555 has 32 divisors (see below), whose sum is σ = 241920. Its totient is φ = 55680.

The previous prime is 126551. The next prime is 126583. The reversal of 126555 is 555621.

126555 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 126555 - 2² = 126551 is a prime.

126555 is strictly pandigital in base 7.

It is not an unprimeable number, because it can be changed into a prime (126551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2116 + ... + 2174.

It is an arithmetic number, because the mean of its divisors is an integer number (7560).

2¹²⁶⁵⁵⁵ is an apocalyptic number.

126555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126555 is a deficient number, since it is larger than the sum of its proper divisors (115365).

126555 is a wasteful number, since it uses less digits than its factorization.

126555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91.

The product of its digits is 1500, while the sum is 24.

The square root of 126555 is about 355.7456956872. The cubic root of 126555 is about 50.2064794841.

The spelling of 126555 in words is "one hundred twenty-six thousand, five hundred fifty-five".